18253456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{691}}^1$

素因数の和:839

約数の個数: 40

約数和(自身を含む): 38441984

約数和(自身を除く): 20188528

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 127, 208, 254, 508, 691, 1016, 1382, 1651, 2032, 2764, 3302, 5528, 6604, 8983, 11056, 13208, 17966, 26416, 35932, 71864, 87757, 143728, 175514, 351028, 702056, 1140841, 1404112, 2281682, 4563364, 9126728, 18253456]

約数ペア:

[(1, 18253456), (2, 9126728), (4, 4563364), (8, 2281682), (13, 1404112), (16, 1140841), (26, 702056), (52, 351028), (104, 175514), (127, 143728), (208, 87757), (254, 71864), (508, 35932), (691, 26416), (1016, 17966), (1382, 13208), (1651, 11056), (2032, 8983), (2764, 6604), (3302, 5528)]