19429100

素因数分解:

$2^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{2003}}^1$

素因数の和:2114

約数の個数: 36

約数和(自身を含む): 42617064

約数和(自身を除く): 23187964

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 97, 100, 194, 388, 485, 970, 1940, 2003, 2425, 4006, 4850, 8012, 9700, 10015, 20030, 40060, 50075, 100150, 194291, 200300, 388582, 777164, 971455, 1942910, 3885820, 4857275, 9714550, 19429100]

約数ペア:

[(1, 19429100), (2, 9714550), (4, 4857275), (5, 3885820), (10, 1942910), (20, 971455), (25, 777164), (50, 388582), (97, 200300), (100, 194291), (194, 100150), (388, 50075), (485, 40060), (970, 20030), (1940, 10015), (2003, 9700), (2425, 8012), (4006, 4850)]