18201231412

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{367}}^1$

素因数の和:582

約数の個数: 192

約数和(自身を含む): 42376642560

約数和(自身を除く): 24175411148

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 71, 76, 91, 101, 133, 142, 182, 202, 247, 266, 284, 364, 367, 404, 494, 497, 532, 707, 734, 923, 988, 994, 1313, 1349, 1414, 1468, 1729, 1846, 1919, 1988, 2569, 2626, 2698, 2828, 3458, 3692, 3838, 4771, 5138, 5252, 5396, 6461, 6916, 6973, 7171, 7676, 9191, 9443, 9542, 10276, 12922, 13433, 13946, 14342, 17537, 18382, 18886, 19084, 24947, 25844, 26057, 26866, 27892, 28684, 33397, 35074, 36764, 37067, 37772, 48811, 49894, 50197, 52114, 53732, 66794, 70148, 74134, 90649, 93223, 97622, 99788, 100394, 104228, 122759, 133588, 136249, 148268, 174629, 181298, 182399, 186446, 195244, 200788, 245518, 259469, 272498, 338741, 349258, 362596, 364798, 372892, 481871, 491036, 495083, 518938, 544996, 634543, 652561, 677482, 698516, 704273, 729596, 953743, 963742, 990166, 1037876, 1269086, 1305122, 1354964, 1408546, 1771237, 1907486, 1927484, 1980332, 2371187, 2538172, 2610244, 2631757, 2817092, 3373097, 3465581, 3542474, 3814972, 4742374, 4929911, 5263514, 6436079, 6746194, 6931162, 7084948, 9155549, 9484748, 9859822, 10527028, 12398659, 12872158, 13492388, 13862324, 18311098, 18422299, 19719644, 24797318, 25744316, 34212841, 36622196, 36844598, 45052553, 49594636, 50003383, 64088843, 68425682, 73689196, 90105106, 100006766, 128177686, 136851364, 180210212, 200013532, 239489887, 256355372, 350023681, 478979774, 650043979, 700047362, 957959548, 1300087958, 1400094724, 2600175916, 4550307853, 9100615706, 18201231412]

約数ペア:

[(1, 18201231412), (2, 9100615706), (4, 4550307853), (7, 2600175916), (13, 1400094724), (14, 1300087958), (19, 957959548), (26, 700047362), (28, 650043979), (38, 478979774), (52, 350023681), (71, 256355372), (76, 239489887), (91, 200013532), (101, 180210212), (133, 136851364), (142, 128177686), (182, 100006766), (202, 90105106), (247, 73689196), (266, 68425682), (284, 64088843), (364, 50003383), (367, 49594636), (404, 45052553), (494, 36844598), (497, 36622196), (532, 34212841), (707, 25744316), (734, 24797318), (923, 19719644), (988, 18422299), (994, 18311098), (1313, 13862324), (1349, 13492388), (1414, 12872158), (1468, 12398659), (1729, 10527028), (1846, 9859822), (1919, 9484748), (1988, 9155549), (2569, 7084948), (2626, 6931162), (2698, 6746194), (2828, 6436079), (3458, 5263514), (3692, 4929911), (3838, 4742374), (4771, 3814972), (5138, 3542474), (5252, 3465581), (5396, 3373097), (6461, 2817092), (6916, 2631757), (6973, 2610244), (7171, 2538172), (7676, 2371187), (9191, 1980332), (9443, 1927484), (9542, 1907486), (10276, 1771237), (12922, 1408546), (13433, 1354964), (13946, 1305122), (14342, 1269086), (17537, 1037876), (18382, 990166), (18886, 963742), (19084, 953743), (24947, 729596), (25844, 704273), (26057, 698516), (26866, 677482), (27892, 652561), (28684, 634543), (33397, 544996), (35074, 518938), (36764, 495083), (37067, 491036), (37772, 481871), (48811, 372892), (49894, 364798), (50197, 362596), (52114, 349258), (53732, 338741), (66794, 272498), (70148, 259469), (74134, 245518), (90649, 200788), (93223, 195244), (97622, 186446), (99788, 182399), (100394, 181298), (104228, 174629), (122759, 148268), (133588, 136249)]