19371664

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{93133}}^1$

素因数の和:93154

約数の個数: 20

約数和(自身を含む): 40420156

約数和(自身を除く): 21048492

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 93133, 186266, 372532, 745064, 1210729, 1490128, 2421458, 4842916, 9685832, 19371664]

約数ペア:

[(1, 19371664), (2, 9685832), (4, 4842916), (8, 2421458), (13, 1490128), (16, 1210729), (26, 745064), (52, 372532), (104, 186266), (208, 93133)]