18620008

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{457}}^1\times {\mathrm{463}}^1$

素因数の和:937

約数の個数: 32

約数和(自身を含む): 38252160

約数和(自身を除く): 19632152

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 457, 463, 914, 926, 1828, 1852, 3656, 3704, 5027, 5093, 10054, 10186, 20108, 20372, 40216, 40744, 211591, 423182, 846364, 1692728, 2327501, 4655002, 9310004, 18620008]

約数ペア:

[(1, 18620008), (2, 9310004), (4, 4655002), (8, 2327501), (11, 1692728), (22, 846364), (44, 423182), (88, 211591), (457, 40744), (463, 40216), (914, 20372), (926, 20108), (1828, 10186), (1852, 10054), (3656, 5093), (3704, 5027)]