19970736

素因数分解:

$2^4\times 3^1\times {\mathrm{563}}^1\times {\mathrm{739}}^1$

素因数の和:1313

約数の個数: 40

約数和(自身を含む): 51752640

約数和(自身を除く): 31781904

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 563, 739, 1126, 1478, 1689, 2217, 2252, 2956, 3378, 4434, 4504, 5912, 6756, 8868, 9008, 11824, 13512, 17736, 27024, 35472, 416057, 832114, 1248171, 1664228, 2496342, 3328456, 4992684, 6656912, 9985368, 19970736]

約数ペア:

[(1, 19970736), (2, 9985368), (3, 6656912), (4, 4992684), (6, 3328456), (8, 2496342), (12, 1664228), (16, 1248171), (24, 832114), (48, 416057), (563, 35472), (739, 27024), (1126, 17736), (1478, 13512), (1689, 11824), (2217, 9008), (2252, 8868), (2956, 6756), (3378, 5912), (4434, 4504)]