18438928

素因数分解:

$2^4\times {\mathrm{557}}^1\times {\mathrm{2069}}^1$

素因数の和:2634

約数の個数: 20

約数和(自身を含む): 35806860

約数和(自身を除く): 17367932

約数列:

[1, 2, 4, 8, 16, 557, 1114, 2069, 2228, 4138, 4456, 8276, 8912, 16552, 33104, 1152433, 2304866, 4609732, 9219464, 18438928]

約数ペア:

[(1, 18438928), (2, 9219464), (4, 4609732), (8, 2304866), (16, 1152433), (557, 33104), (1114, 16552), (2069, 8912), (2228, 8276), (4138, 4456)]