19630975

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8629}}^1$

素因数の和:8659

約数の個数: 24

約数和(自身を含む): 29963360

約数和(自身を除く): 10332385

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455, 2275, 8629, 43145, 60403, 112177, 215725, 302015, 560885, 785239, 1510075, 2804425, 3926195, 19630975]

約数ペア:

[(1, 19630975), (5, 3926195), (7, 2804425), (13, 1510075), (25, 785239), (35, 560885), (65, 302015), (91, 215725), (175, 112177), (325, 60403), (455, 43145), (2275, 8629)]