19656975

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{20161}}^1$

素因数の和:20187

約数の個数: 24

約数和(自身を含む): 35001232

約数和(自身を除く): 15344257

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 20161, 60483, 100805, 262093, 302415, 504025, 786279, 1310465, 1512075, 3931395, 6552325, 19656975]

約数ペア:

[(1, 19656975), (3, 6552325), (5, 3931395), (13, 1512075), (15, 1310465), (25, 786279), (39, 504025), (65, 302415), (75, 262093), (195, 100805), (325, 60483), (975, 20161)]