19912578

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{4603}}^1$

素因数の和:4718

約数の個数: 32

約数和(自身を含む): 45966336

約数和(自身を除く): 26053758

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 103, 206, 309, 618, 721, 1442, 2163, 4326, 4603, 9206, 13809, 27618, 32221, 64442, 96663, 193326, 474109, 948218, 1422327, 2844654, 3318763, 6637526, 9956289, 19912578]

約数ペア:

[(1, 19912578), (2, 9956289), (3, 6637526), (6, 3318763), (7, 2844654), (14, 1422327), (21, 948218), (42, 474109), (103, 193326), (206, 96663), (309, 64442), (618, 32221), (721, 27618), (1442, 13809), (2163, 9206), (4326, 4603)]