19161740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73699}}^1$

素因数の和:73721

約数の個数: 24

約数和(自身を含む): 43335600

約数和(自身を除く): 24173860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 73699, 147398, 294796, 368495, 736990, 958087, 1473980, 1916174, 3832348, 4790435, 9580870, 19161740]

約数ペア:

[(1, 19161740), (2, 9580870), (4, 4790435), (5, 3832348), (10, 1916174), (13, 1473980), (20, 958087), (26, 736990), (52, 368495), (65, 294796), (130, 147398), (260, 73699)]