18120639628

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{337}}^1\times {\mathrm{449}}^1$

素因数の和:864

約数の個数: 144

約数和(自身を含む): 40782268800

約数和(自身を除く): 22661629172

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 47, 49, 52, 91, 94, 98, 182, 188, 196, 329, 337, 364, 449, 611, 637, 658, 674, 898, 1222, 1274, 1316, 1348, 1796, 2303, 2359, 2444, 2548, 3143, 4277, 4381, 4606, 4718, 5837, 6286, 8554, 8762, 9212, 9436, 11674, 12572, 15839, 16513, 17108, 17524, 21103, 22001, 23348, 29939, 30667, 31678, 33026, 40859, 42206, 44002, 59878, 61334, 63356, 66052, 81718, 84412, 88004, 110873, 119756, 122668, 147721, 151313, 163436, 205907, 214669, 221746, 274339, 286013, 295442, 302626, 411814, 429338, 443492, 548678, 572026, 590884, 605252, 776111, 823628, 858676, 1034047, 1059191, 1097356, 1144052, 1441349, 1552222, 1920373, 1967069, 2068094, 2118382, 2882698, 3104444, 3840746, 3934138, 4136188, 4236764, 5765396, 7111711, 7414337, 7681492, 7868276, 10089443, 13442611, 13769483, 14223422, 14828674, 20178886, 26885222, 27538966, 28446844, 29657348, 40357772, 49781977, 53770444, 55077932, 92452243, 96386381, 99563954, 184904486, 192772762, 199127908, 348473839, 369808972, 385545524, 647165701, 696947678, 1294331402, 1393895356, 2588662804, 4530159907, 9060319814, 18120639628]

約数ペア:

[(1, 18120639628), (2, 9060319814), (4, 4530159907), (7, 2588662804), (13, 1393895356), (14, 1294331402), (26, 696947678), (28, 647165701), (47, 385545524), (49, 369808972), (52, 348473839), (91, 199127908), (94, 192772762), (98, 184904486), (182, 99563954), (188, 96386381), (196, 92452243), (329, 55077932), (337, 53770444), (364, 49781977), (449, 40357772), (611, 29657348), (637, 28446844), (658, 27538966), (674, 26885222), (898, 20178886), (1222, 14828674), (1274, 14223422), (1316, 13769483), (1348, 13442611), (1796, 10089443), (2303, 7868276), (2359, 7681492), (2444, 7414337), (2548, 7111711), (3143, 5765396), (4277, 4236764), (4381, 4136188), (4606, 3934138), (4718, 3840746), (5837, 3104444), (6286, 2882698), (8554, 2118382), (8762, 2068094), (9212, 1967069), (9436, 1920373), (11674, 1552222), (12572, 1441349), (15839, 1144052), (16513, 1097356), (17108, 1059191), (17524, 1034047), (21103, 858676), (22001, 823628), (23348, 776111), (29939, 605252), (30667, 590884), (31678, 572026), (33026, 548678), (40859, 443492), (42206, 429338), (44002, 411814), (59878, 302626), (61334, 295442), (63356, 286013), (66052, 274339), (81718, 221746), (84412, 214669), (88004, 205907), (110873, 163436), (119756, 151313), (122668, 147721)]