18808004

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{1123}}^1$

素因数の和:1259

約数の個数: 24

約数和(自身を含む): 33989760

約数和(自身を除く): 15181756

約数列:

[1, 2, 4, 53, 79, 106, 158, 212, 316, 1123, 2246, 4187, 4492, 8374, 16748, 59519, 88717, 119038, 177434, 238076, 354868, 4702001, 9404002, 18808004]

約数ペア:

[(1, 18808004), (2, 9404002), (4, 4702001), (53, 354868), (79, 238076), (106, 177434), (158, 119038), (212, 88717), (316, 59519), (1123, 16748), (2246, 8374), (4187, 4492)]