18951528

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{317}}^1$

素因数の和:426

約数の個数: 64

約数和(自身を含む): 49455360

約数和(自身を除く): 30503832

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 53, 94, 106, 141, 159, 188, 212, 282, 317, 318, 376, 424, 564, 634, 636, 951, 1128, 1268, 1272, 1902, 2491, 2536, 3804, 4982, 7473, 7608, 9964, 14899, 14946, 16801, 19928, 29798, 29892, 33602, 44697, 50403, 59596, 59784, 67204, 89394, 100806, 119192, 134408, 178788, 201612, 357576, 403224, 789647, 1579294, 2368941, 3158588, 4737882, 6317176, 9475764, 18951528]

約数ペア:

[(1, 18951528), (2, 9475764), (3, 6317176), (4, 4737882), (6, 3158588), (8, 2368941), (12, 1579294), (24, 789647), (47, 403224), (53, 357576), (94, 201612), (106, 178788), (141, 134408), (159, 119192), (188, 100806), (212, 89394), (282, 67204), (317, 59784), (318, 59596), (376, 50403), (424, 44697), (564, 33602), (634, 29892), (636, 29798), (951, 19928), (1128, 16801), (1268, 14946), (1272, 14899), (1902, 9964), (2491, 7608), (2536, 7473), (3804, 4982)]