19345209

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{16001}}^1$

素因数の和:16048

約数の個数: 16

約数和(自身を含む): 28675584

約数和(自身を除く): 9330375

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 16001, 48003, 208013, 496031, 624039, 1488093, 6448403, 19345209]

約数ペア:

[(1, 19345209), (3, 6448403), (13, 1488093), (31, 624039), (39, 496031), (93, 208013), (403, 48003), (1209, 16001)]