19224855

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{557}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 36560160

約数和(自身を除く): 17335305

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 59, 65, 117, 177, 195, 295, 531, 557, 585, 767, 885, 1671, 2301, 2655, 2785, 3835, 5013, 6903, 7241, 8355, 11505, 21723, 25065, 32863, 34515, 36205, 65169, 98589, 108615, 164315, 295767, 325845, 427219, 492945, 1281657, 1478835, 2136095, 3844971, 6408285, 19224855]

約数ペア:

[(1, 19224855), (3, 6408285), (5, 3844971), (9, 2136095), (13, 1478835), (15, 1281657), (39, 492945), (45, 427219), (59, 325845), (65, 295767), (117, 164315), (177, 108615), (195, 98589), (295, 65169), (531, 36205), (557, 34515), (585, 32863), (767, 25065), (885, 21723), (1671, 11505), (2301, 8355), (2655, 7241), (2785, 6903), (3835, 5013)]