19860470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{283721}}^1$

素因数の和:283735

約数の個数: 16

約数和(自身を含む): 40855968

約数和(自身を除く): 20995498

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 283721, 567442, 1418605, 1986047, 2837210, 3972094, 9930235, 19860470]

約数ペア:

[(1, 19860470), (2, 9930235), (5, 3972094), (7, 2837210), (10, 1986047), (14, 1418605), (35, 567442), (70, 283721)]