19103540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{23297}}^1$

素因数の和:23347

約数の個数: 24

約数和(自身を含む): 41097672

約数和(自身を除く): 21994132

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 23297, 46594, 93188, 116485, 232970, 465940, 955177, 1910354, 3820708, 4775885, 9551770, 19103540]

約数ペア:

[(1, 19103540), (2, 9551770), (4, 4775885), (5, 3820708), (10, 1910354), (20, 955177), (41, 465940), (82, 232970), (164, 116485), (205, 93188), (410, 46594), (820, 23297)]