19865616

素因数分解:

$2^4\times 3^1\times {\mathrm{413867}}^1$

素因数の和:413878

約数の個数: 20

約数和(自身を含む): 51319632

約数和(自身を除く): 31454016

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 413867, 827734, 1241601, 1655468, 2483202, 3310936, 4966404, 6621872, 9932808, 19865616]

約数ペア:

[(1, 19865616), (2, 9932808), (3, 6621872), (4, 4966404), (6, 3310936), (8, 2483202), (12, 1655468), (16, 1241601), (24, 827734), (48, 413867)]