19242980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{56597}}^1$

素因数の和:56623

約数の個数: 24

約数和(自身を含む): 42788088

約数和(自身を除く): 23545108

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 56597, 113194, 226388, 282985, 565970, 962149, 1131940, 1924298, 3848596, 4810745, 9621490, 19242980]

約数ペア:

[(1, 19242980), (2, 9621490), (4, 4810745), (5, 3848596), (10, 1924298), (17, 1131940), (20, 962149), (34, 565970), (68, 282985), (85, 226388), (170, 113194), (340, 56597)]