18271850

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{5147}}^1$

素因数の和:5230

約数の個数: 24

約数和(自身を含む): 34471008

約数和(自身を除く): 16199158

約数列:

[1, 2, 5, 10, 25, 50, 71, 142, 355, 710, 1775, 3550, 5147, 10294, 25735, 51470, 128675, 257350, 365437, 730874, 1827185, 3654370, 9135925, 18271850]

約数ペア:

[(1, 18271850), (2, 9135925), (5, 3654370), (10, 1827185), (25, 730874), (50, 365437), (71, 257350), (142, 128675), (355, 51470), (710, 25735), (1775, 10294), (3550, 5147)]