19404850

素因数分解:

$2^1\times 5^2\times {\mathrm{97}}^1\times {\mathrm{4001}}^1$

素因数の和:4110

約数の個数: 24

約数和(自身を含む): 36474228

約数和(自身を除く): 17069378

約数列:

[1, 2, 5, 10, 25, 50, 97, 194, 485, 970, 2425, 4001, 4850, 8002, 20005, 40010, 100025, 200050, 388097, 776194, 1940485, 3880970, 9702425, 19404850]

約数ペア:

[(1, 19404850), (2, 9702425), (5, 3880970), (10, 1940485), (25, 776194), (50, 388097), (97, 200050), (194, 100025), (485, 40010), (970, 20005), (2425, 8002), (4001, 4850)]