19972968

素因数分解:

$2^3\times 3^1\times {\mathrm{67}}^1\times {\mathrm{12421}}^1$

素因数の和:12497

約数の個数: 32

約数和(自身を含む): 50681760

約数和(自身を除く): 30708792

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 67, 134, 201, 268, 402, 536, 804, 1608, 12421, 24842, 37263, 49684, 74526, 99368, 149052, 298104, 832207, 1664414, 2496621, 3328828, 4993242, 6657656, 9986484, 19972968]

約数ペア:

[(1, 19972968), (2, 9986484), (3, 6657656), (4, 4993242), (6, 3328828), (8, 2496621), (12, 1664414), (24, 832207), (67, 298104), (134, 149052), (201, 99368), (268, 74526), (402, 49684), (536, 37263), (804, 24842), (1608, 12421)]