18469633640

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{6325217}}^1$

素因数の和:6325301

約数の個数: 32

約数和(自身を含む): 42125951880

約数和(自身を除く): 23656318240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 6325217, 12650434, 25300868, 31626085, 50601736, 63252170, 126504340, 253008680, 461740841, 923481682, 1846963364, 2308704205, 3693926728, 4617408410, 9234816820, 18469633640]

約数ペア:

[(1, 18469633640), (2, 9234816820), (4, 4617408410), (5, 3693926728), (8, 2308704205), (10, 1846963364), (20, 923481682), (40, 461740841), (73, 253008680), (146, 126504340), (292, 63252170), (365, 50601736), (584, 31626085), (730, 25300868), (1460, 12650434), (2920, 6325217)]