31079212

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{21523}}^1$

素因数の和:21565

約数の個数: 18

約数和(自身を含む): 57404508

約数和(自身を除く): 26325296

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 21523, 43046, 86092, 408937, 817874, 1635748, 7769803, 15539606, 31079212]

約数ペア:

[(1, 31079212), (2, 15539606), (4, 7769803), (19, 1635748), (38, 817874), (76, 408937), (361, 86092), (722, 43046), (1444, 21523)]