19779001812

素因数分解:

$2^2\times 3^2\times {\mathrm{137}}^1\times {\mathrm{307}}^1\times {\mathrm{13063}}^1$

素因数の和:13517

約数の個数: 72

約数和(自身を含む): 50529775296

約数和(自身を除く): 30750773484

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 137, 274, 307, 411, 548, 614, 822, 921, 1228, 1233, 1644, 1842, 2466, 2763, 3684, 4932, 5526, 11052, 13063, 26126, 39189, 42059, 52252, 78378, 84118, 117567, 126177, 156756, 168236, 235134, 252354, 378531, 470268, 504708, 757062, 1514124, 1789631, 3579262, 4010341, 5368893, 7158524, 8020682, 10737786, 12031023, 16041364, 16106679, 21475572, 24062046, 32213358, 36093069, 48124092, 64426716, 72186138, 144372276, 549416717, 1098833434, 1648250151, 2197666868, 3296500302, 4944750453, 6593000604, 9889500906, 19779001812]

約数ペア:

[(1, 19779001812), (2, 9889500906), (3, 6593000604), (4, 4944750453), (6, 3296500302), (9, 2197666868), (12, 1648250151), (18, 1098833434), (36, 549416717), (137, 144372276), (274, 72186138), (307, 64426716), (411, 48124092), (548, 36093069), (614, 32213358), (822, 24062046), (921, 21475572), (1228, 16106679), (1233, 16041364), (1644, 12031023), (1842, 10737786), (2466, 8020682), (2763, 7158524), (3684, 5368893), (4932, 4010341), (5526, 3579262), (11052, 1789631), (13063, 1514124), (26126, 757062), (39189, 504708), (42059, 470268), (52252, 378531), (78378, 252354), (84118, 235134), (117567, 168236), (126177, 156756)]