19615856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{94307}}^1$

素因数の和:94328

約数の個数: 20

約数和(自身を含む): 40929672

約数和(自身を除く): 21313816

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 94307, 188614, 377228, 754456, 1225991, 1508912, 2451982, 4903964, 9807928, 19615856]

約数ペア:

[(1, 19615856), (2, 9807928), (4, 4903964), (8, 2451982), (13, 1508912), (16, 1225991), (26, 754456), (52, 377228), (104, 188614), (208, 94307)]