18819748

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{2687}}^1$

素因数の和:2811

約数の個数: 24

約数和(自身を含む): 35223552

約数和(自身を除く): 16403804

約数列:

[1, 2, 4, 17, 34, 68, 103, 206, 412, 1751, 2687, 3502, 5374, 7004, 10748, 45679, 91358, 182716, 276761, 553522, 1107044, 4704937, 9409874, 18819748]

約数ペア:

[(1, 18819748), (2, 9409874), (4, 4704937), (17, 1107044), (34, 553522), (68, 276761), (103, 182716), (206, 91358), (412, 45679), (1751, 10748), (2687, 7004), (3502, 5374)]