18632720

素因数分解:

$2^4\times 5^1\times {\mathrm{283}}^1\times {\mathrm{823}}^1$

素因数の和:1119

約数の個数: 40

約数和(自身を含む): 43526976

約数和(自身を除く): 24894256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 283, 566, 823, 1132, 1415, 1646, 2264, 2830, 3292, 4115, 4528, 5660, 6584, 8230, 11320, 13168, 16460, 22640, 32920, 65840, 232909, 465818, 931636, 1164545, 1863272, 2329090, 3726544, 4658180, 9316360, 18632720]

約数ペア:

[(1, 18632720), (2, 9316360), (4, 4658180), (5, 3726544), (8, 2329090), (10, 1863272), (16, 1164545), (20, 931636), (40, 465818), (80, 232909), (283, 65840), (566, 32920), (823, 22640), (1132, 16460), (1415, 13168), (1646, 11320), (2264, 8230), (2830, 6584), (3292, 5660), (4115, 4528)]