19209090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{640303}}^1$

素因数の和:640313

約数の個数: 16

約数和(自身を含む): 46101888

約数和(自身を除く): 26892798

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 640303, 1280606, 1920909, 3201515, 3841818, 6403030, 9604545, 19209090]

約数ペア:

[(1, 19209090), (2, 9604545), (3, 6403030), (5, 3841818), (6, 3201515), (10, 1920909), (15, 1280606), (30, 640303)]