18830320

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{2083}}^1$

素因数の和:2209

約数の個数: 40

約数和(自身を含む): 44189136

約数和(自身を除く): 25358816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2083, 2260, 4166, 4520, 8332, 9040, 10415, 16664, 20830, 33328, 41660, 83320, 166640, 235379, 470758, 941516, 1176895, 1883032, 2353790, 3766064, 4707580, 9415160, 18830320]

約数ペア:

[(1, 18830320), (2, 9415160), (4, 4707580), (5, 3766064), (8, 2353790), (10, 1883032), (16, 1176895), (20, 941516), (40, 470758), (80, 235379), (113, 166640), (226, 83320), (452, 41660), (565, 33328), (904, 20830), (1130, 16664), (1808, 10415), (2083, 9040), (2260, 8332), (4166, 4520)]