19905496

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{14723}}^1$

素因数の和:14755

約数の個数: 24

約数和(自身を含む): 40417380

約数和(自身を除く): 20511884

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 14723, 29446, 58892, 117784, 191399, 382798, 765596, 1531192, 2488187, 4976374, 9952748, 19905496]

約数ペア:

[(1, 19905496), (2, 9952748), (4, 4976374), (8, 2488187), (13, 1531192), (26, 765596), (52, 382798), (104, 191399), (169, 117784), (338, 58892), (676, 29446), (1352, 14723)]