18517858

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{1129}}^1$

素因数の和:1329

約数の個数: 16

約数和(自身を含む): 28476000

約数和(自身を除く): 9958142

約数列:

[1, 2, 59, 118, 139, 278, 1129, 2258, 8201, 16402, 66611, 133222, 156931, 313862, 9258929, 18517858]

約数ペア:

[(1, 18517858), (2, 9258929), (59, 313862), (118, 156931), (139, 133222), (278, 66611), (1129, 16402), (2258, 8201)]