19154395

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{2861}}^1$

素因数の和:2982

約数の個数: 16

約数和(自身を含む): 25002432

約数和(自身を除く): 5848037

約数列:

[1, 5, 13, 65, 103, 515, 1339, 2861, 6695, 14305, 37193, 185965, 294683, 1473415, 3830879, 19154395]

約数ペア:

[(1, 19154395), (5, 3830879), (13, 1473415), (65, 294683), (103, 185965), (515, 37193), (1339, 14305), (2861, 6695)]