19121860

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{8461}}^1$

素因数の和:8583

約数の個数: 24

約数和(自身を含む): 40516056

約数和(自身を除く): 21394196

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 8461, 16922, 33844, 42305, 84610, 169220, 956093, 1912186, 3824372, 4780465, 9560930, 19121860]

約数ペア:

[(1, 19121860), (2, 9560930), (4, 4780465), (5, 3824372), (10, 1912186), (20, 956093), (113, 169220), (226, 84610), (452, 42305), (565, 33844), (1130, 16922), (2260, 8461)]