18098180

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^2\times {\mathrm{661}}^1$

素因数の和:744

約数の個数: 36

約数和(自身を含む): 39120228

約数和(自身を除く): 21022048

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 661, 740, 1322, 1369, 2644, 2738, 3305, 5476, 6610, 6845, 13220, 13690, 24457, 27380, 48914, 97828, 122285, 244570, 489140, 904909, 1809818, 3619636, 4524545, 9049090, 18098180]

約数ペア:

[(1, 18098180), (2, 9049090), (4, 4524545), (5, 3619636), (10, 1809818), (20, 904909), (37, 489140), (74, 244570), (148, 122285), (185, 97828), (370, 48914), (661, 27380), (740, 24457), (1322, 13690), (1369, 13220), (2644, 6845), (2738, 6610), (3305, 5476)]