19165940

素因数分解:

$2^2\times 5^1\times {\mathrm{967}}^1\times {\mathrm{991}}^1$

素因数の和:1967

約数の個数: 24

約数和(自身を含む): 40330752

約数和(自身を除く): 21164812

約数列:

[1, 2, 4, 5, 10, 20, 967, 991, 1934, 1982, 3868, 3964, 4835, 4955, 9670, 9910, 19340, 19820, 958297, 1916594, 3833188, 4791485, 9582970, 19165940]

約数ペア:

[(1, 19165940), (2, 9582970), (4, 4791485), (5, 3833188), (10, 1916594), (20, 958297), (967, 19820), (991, 19340), (1934, 9910), (1982, 9670), (3868, 4955), (3964, 4835)]