18879588

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1$

素因数の和:163

約数の個数: 192

約数和(自身を含む): 64350720

約数和(自身を除く): 45471132

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 17, 18, 21, 26, 27, 28, 34, 36, 39, 42, 51, 52, 54, 63, 68, 78, 84, 91, 102, 108, 113, 117, 119, 126, 153, 156, 182, 189, 204, 221, 226, 234, 238, 252, 273, 306, 339, 351, 357, 364, 378, 442, 452, 459, 468, 476, 546, 612, 663, 678, 702, 714, 756, 791, 819, 884, 918, 1017, 1071, 1092, 1326, 1356, 1404, 1428, 1469, 1547, 1582, 1638, 1836, 1921, 1989, 2034, 2142, 2373, 2457, 2652, 2938, 3051, 3094, 3164, 3213, 3276, 3842, 3978, 4068, 4284, 4407, 4641, 4746, 4914, 5763, 5876, 5967, 6102, 6188, 6426, 7119, 7684, 7956, 8814, 9282, 9492, 9828, 10283, 11526, 11934, 12204, 12852, 13221, 13447, 13923, 14238, 17289, 17628, 18564, 20566, 21357, 23052, 23868, 24973, 26442, 26894, 27846, 28476, 30849, 34578, 39663, 40341, 41132, 41769, 42714, 49946, 51867, 52884, 53788, 55692, 61698, 69156, 74919, 79326, 80682, 83538, 85428, 92547, 99892, 103734, 121023, 123396, 149838, 158652, 161364, 167076, 174811, 185094, 207468, 224757, 242046, 277641, 299676, 349622, 363069, 370188, 449514, 484092, 524433, 555282, 674271, 699244, 726138, 899028, 1048866, 1110564, 1348542, 1452276, 1573299, 2097732, 2697084, 3146598, 4719897, 6293196, 9439794, 18879588]

約数ペア:

[(1, 18879588), (2, 9439794), (3, 6293196), (4, 4719897), (6, 3146598), (7, 2697084), (9, 2097732), (12, 1573299), (13, 1452276), (14, 1348542), (17, 1110564), (18, 1048866), (21, 899028), (26, 726138), (27, 699244), (28, 674271), (34, 555282), (36, 524433), (39, 484092), (42, 449514), (51, 370188), (52, 363069), (54, 349622), (63, 299676), (68, 277641), (78, 242046), (84, 224757), (91, 207468), (102, 185094), (108, 174811), (113, 167076), (117, 161364), (119, 158652), (126, 149838), (153, 123396), (156, 121023), (182, 103734), (189, 99892), (204, 92547), (221, 85428), (226, 83538), (234, 80682), (238, 79326), (252, 74919), (273, 69156), (306, 61698), (339, 55692), (351, 53788), (357, 52884), (364, 51867), (378, 49946), (442, 42714), (452, 41769), (459, 41132), (468, 40341), (476, 39663), (546, 34578), (612, 30849), (663, 28476), (678, 27846), (702, 26894), (714, 26442), (756, 24973), (791, 23868), (819, 23052), (884, 21357), (918, 20566), (1017, 18564), (1071, 17628), (1092, 17289), (1326, 14238), (1356, 13923), (1404, 13447), (1428, 13221), (1469, 12852), (1547, 12204), (1582, 11934), (1638, 11526), (1836, 10283), (1921, 9828), (1989, 9492), (2034, 9282), (2142, 8814), (2373, 7956), (2457, 7684), (2652, 7119), (2938, 6426), (3051, 6188), (3094, 6102), (3164, 5967), (3213, 5876), (3276, 5763), (3842, 4914), (3978, 4746), (4068, 4641), (4284, 4407)]