19044980

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{9817}}^1$

素因数の和:9923

約数の個数: 24

約数和(自身を含む): 40410888

約数和(自身を除く): 21365908

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 9817, 19634, 39268, 49085, 98170, 196340, 952249, 1904498, 3808996, 4761245, 9522490, 19044980]

約数ペア:

[(1, 19044980), (2, 9522490), (4, 4761245), (5, 3808996), (10, 1904498), (20, 952249), (97, 196340), (194, 98170), (388, 49085), (485, 39268), (970, 19634), (1940, 9817)]