19404820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{57073}}^1$

素因数の和:57099

約数の個数: 24

約数和(自身を含む): 43147944

約数和(自身を除く): 23743124

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 57073, 114146, 228292, 285365, 570730, 970241, 1141460, 1940482, 3880964, 4851205, 9702410, 19404820]

約数ペア:

[(1, 19404820), (2, 9702410), (4, 4851205), (5, 3880964), (10, 1940482), (17, 1141460), (20, 970241), (34, 570730), (68, 285365), (85, 228292), (170, 114146), (340, 57073)]