19245278

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{15749}}^1$

素因数の和:15811

約数の個数: 16

約数和(自身を含む): 31752000

約数和(自身を除く): 12506722

約数列:

[1, 2, 13, 26, 47, 94, 611, 1222, 15749, 31498, 204737, 409474, 740203, 1480406, 9622639, 19245278]

約数ペア:

[(1, 19245278), (2, 9622639), (13, 1480406), (26, 740203), (47, 409474), (94, 204737), (611, 31498), (1222, 15749)]