18015608

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{557}}^1$

素因数の和:887

約数の個数: 32

約数和(自身を含む): 36560160

約数和(自身を除く): 18544552

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 311, 557, 622, 1114, 1244, 2228, 2488, 4043, 4456, 7241, 8086, 14482, 16172, 28964, 32344, 57928, 173227, 346454, 692908, 1385816, 2251951, 4503902, 9007804, 18015608]

約数ペア:

[(1, 18015608), (2, 9007804), (4, 4503902), (8, 2251951), (13, 1385816), (26, 692908), (52, 346454), (104, 173227), (311, 57928), (557, 32344), (622, 28964), (1114, 16172), (1244, 14482), (2228, 8086), (2488, 7241), (4043, 4456)]