31919212

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{19801}}^1$

素因数の和:19849

約数の個数: 24

約数和(自身を含む): 62099072

約数和(自身を除く): 30179860

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 19801, 39602, 79204, 257413, 514826, 613831, 1029652, 1227662, 2455324, 7979803, 15959606, 31919212]

約数ペア:

[(1, 31919212), (2, 15959606), (4, 7979803), (13, 2455324), (26, 1227662), (31, 1029652), (52, 613831), (62, 514826), (124, 257413), (403, 79204), (806, 39602), (1612, 19801)]