19663508

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{947}}^1$

素因数の和:1159

約数の個数: 24

約数和(自身を含む): 35834400

約数和(自身を除く): 16170892

約数列:

[1, 2, 4, 29, 58, 116, 179, 358, 716, 947, 1894, 3788, 5191, 10382, 20764, 27463, 54926, 109852, 169513, 339026, 678052, 4915877, 9831754, 19663508]

約数ペア:

[(1, 19663508), (2, 9831754), (4, 4915877), (29, 678052), (58, 339026), (116, 169513), (179, 109852), (358, 54926), (716, 27463), (947, 20764), (1894, 10382), (3788, 5191)]