19020560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18289}}^1$

素因数の和:18315

約数の個数: 40

約数和(自身を含む): 47627160

約数和(自身を除く): 28606600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 18289, 36578, 73156, 91445, 146312, 182890, 237757, 292624, 365780, 475514, 731560, 951028, 1188785, 1463120, 1902056, 2377570, 3804112, 4755140, 9510280, 19020560]

約数ペア:

[(1, 19020560), (2, 9510280), (4, 4755140), (5, 3804112), (8, 2377570), (10, 1902056), (13, 1463120), (16, 1188785), (20, 951028), (26, 731560), (40, 475514), (52, 365780), (65, 292624), (80, 237757), (104, 182890), (130, 146312), (208, 91445), (260, 73156), (520, 36578), (1040, 18289)]