18681648

素因数分解:

$2^4\times 3^1\times {\mathrm{131}}^1\times {\mathrm{2971}}^1$

素因数の和:3113

約数の個数: 40

約数和(自身を含む): 48645696

約数和(自身を除く): 29964048

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 131, 262, 393, 524, 786, 1048, 1572, 2096, 2971, 3144, 5942, 6288, 8913, 11884, 17826, 23768, 35652, 47536, 71304, 142608, 389201, 778402, 1167603, 1556804, 2335206, 3113608, 4670412, 6227216, 9340824, 18681648]

約数ペア:

[(1, 18681648), (2, 9340824), (3, 6227216), (4, 4670412), (6, 3113608), (8, 2335206), (12, 1556804), (16, 1167603), (24, 778402), (48, 389201), (131, 142608), (262, 71304), (393, 47536), (524, 35652), (786, 23768), (1048, 17826), (1572, 11884), (2096, 8913), (2971, 6288), (3144, 5942)]