18981446

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{557}}^1\times {\mathrm{1549}}^1$

素因数の和:2119

約数の個数: 16

約数和(自身を含む): 31136400

約数和(自身を除く): 12154954

約数列:

[1, 2, 11, 22, 557, 1114, 1549, 3098, 6127, 12254, 17039, 34078, 862793, 1725586, 9490723, 18981446]

約数ペア:

[(1, 18981446), (2, 9490723), (11, 1725586), (22, 862793), (557, 34078), (1114, 17039), (1549, 12254), (3098, 6127)]