19461325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{257}}^1$

素因数の和:513

約数の個数: 24

約数和(自身を含む): 26201448

約数和(自身を除く): 6740123

約数列:

[1, 5, 13, 25, 65, 233, 257, 325, 1165, 1285, 3029, 3341, 5825, 6425, 15145, 16705, 59881, 75725, 83525, 299405, 778453, 1497025, 3892265, 19461325]

約数ペア:

[(1, 19461325), (5, 3892265), (13, 1497025), (25, 778453), (65, 299405), (233, 83525), (257, 75725), (325, 59881), (1165, 16705), (1285, 15145), (3029, 6425), (3341, 5825)]