18776628

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{757}}^1$

素因数の和:833

約数の個数: 72

約数和(自身を含む): 52147368

約数和(自身を除く): 33370740

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 53, 78, 106, 117, 156, 159, 212, 234, 318, 468, 477, 636, 689, 757, 954, 1378, 1514, 1908, 2067, 2271, 2756, 3028, 4134, 4542, 6201, 6813, 8268, 9084, 9841, 12402, 13626, 19682, 24804, 27252, 29523, 39364, 40121, 59046, 80242, 88569, 118092, 120363, 160484, 177138, 240726, 354276, 361089, 481452, 521573, 722178, 1043146, 1444356, 1564719, 2086292, 3129438, 4694157, 6258876, 9388314, 18776628]

約数ペア:

[(1, 18776628), (2, 9388314), (3, 6258876), (4, 4694157), (6, 3129438), (9, 2086292), (12, 1564719), (13, 1444356), (18, 1043146), (26, 722178), (36, 521573), (39, 481452), (52, 361089), (53, 354276), (78, 240726), (106, 177138), (117, 160484), (156, 120363), (159, 118092), (212, 88569), (234, 80242), (318, 59046), (468, 40121), (477, 39364), (636, 29523), (689, 27252), (757, 24804), (954, 19682), (1378, 13626), (1514, 12402), (1908, 9841), (2067, 9084), (2271, 8268), (2756, 6813), (3028, 6201), (4134, 4542)]