19955452

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{7687}}^1$

素因数の和:7761

約数の個数: 24

約数和(自身を含む): 38747520

約数和(自身を除く): 18792068

約数列:

[1, 2, 4, 11, 22, 44, 59, 118, 236, 649, 1298, 2596, 7687, 15374, 30748, 84557, 169114, 338228, 453533, 907066, 1814132, 4988863, 9977726, 19955452]

約数ペア:

[(1, 19955452), (2, 9977726), (4, 4988863), (11, 1814132), (22, 907066), (44, 453533), (59, 338228), (118, 169114), (236, 84557), (649, 30748), (1298, 15374), (2596, 7687)]