19627724

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{16979}}^1$

素因数の和:17017

約数の個数: 18

約数和(自身を含む): 36490020

約数和(自身を除く): 16862296

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 16979, 33958, 67916, 288643, 577286, 1154572, 4906931, 9813862, 19627724]

約数ペア:

[(1, 19627724), (2, 9813862), (4, 4906931), (17, 1154572), (34, 577286), (68, 288643), (289, 67916), (578, 33958), (1156, 16979)]