19398980

素因数分解:

$2^2\times 5^1\times {\mathrm{797}}^1\times {\mathrm{1217}}^1$

素因数の和:2023

約数の個数: 24

約数和(自身を含む): 40822488

約数和(自身を除く): 21423508

約数列:

[1, 2, 4, 5, 10, 20, 797, 1217, 1594, 2434, 3188, 3985, 4868, 6085, 7970, 12170, 15940, 24340, 969949, 1939898, 3879796, 4849745, 9699490, 19398980]

約数ペア:

[(1, 19398980), (2, 9699490), (4, 4849745), (5, 3879796), (10, 1939898), (20, 969949), (797, 24340), (1217, 15940), (1594, 12170), (2434, 7970), (3188, 6085), (3985, 4868)]