19764918

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{11807}}^1$

素因数の和:11849

約数の個数: 32

約数和(自身を含む): 45342720

約数和(自身を除く): 25577802

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 93, 186, 279, 558, 837, 1674, 11807, 23614, 35421, 70842, 106263, 212526, 318789, 366017, 637578, 732034, 1098051, 2196102, 3294153, 6588306, 9882459, 19764918]

約数ペア:

[(1, 19764918), (2, 9882459), (3, 6588306), (6, 3294153), (9, 2196102), (18, 1098051), (27, 732034), (31, 637578), (54, 366017), (62, 318789), (93, 212526), (186, 106263), (279, 70842), (558, 35421), (837, 23614), (1674, 11807)]