18786990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{7927}}^1$

素因数の和:8016

約数の個数: 32

約数和(自身を含む): 45665280

約数和(自身を除く): 26878290

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 79, 158, 237, 395, 474, 790, 1185, 2370, 7927, 15854, 23781, 39635, 47562, 79270, 118905, 237810, 626233, 1252466, 1878699, 3131165, 3757398, 6262330, 9393495, 18786990]

約数ペア:

[(1, 18786990), (2, 9393495), (3, 6262330), (5, 3757398), (6, 3131165), (10, 1878699), (15, 1252466), (30, 626233), (79, 237810), (158, 118905), (237, 79270), (395, 47562), (474, 39635), (790, 23781), (1185, 15854), (2370, 7927)]