18416620

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{3583}}^1$

素因数の和:3849

約数の個数: 24

約数和(自身を含む): 38836224

約数和(自身を除く): 20419604

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 3583, 5140, 7166, 14332, 17915, 35830, 71660, 920831, 1841662, 3683324, 4604155, 9208310, 18416620]

約数ペア:

[(1, 18416620), (2, 9208310), (4, 4604155), (5, 3683324), (10, 1841662), (20, 920831), (257, 71660), (514, 35830), (1028, 17915), (1285, 14332), (2570, 7166), (3583, 5140)]