19641218

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{7237}}^1$

素因数の和:7321

約数の個数: 16

約数和(自身を含む): 31268160

約数和(自身を除く): 11626942

約数列:

[1, 2, 23, 46, 59, 118, 1357, 2714, 7237, 14474, 166451, 332902, 426983, 853966, 9820609, 19641218]

約数ペア:

[(1, 19641218), (2, 9820609), (23, 853966), (46, 426983), (59, 332902), (118, 166451), (1357, 14474), (2714, 7237)]