18121918

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{7129}}^1$

素因数の和:7203

約数の個数: 16

約数和(自身を含む): 28748160

約数和(自身を除く): 10626242

約数列:

[1, 2, 31, 41, 62, 82, 1271, 2542, 7129, 14258, 220999, 292289, 441998, 584578, 9060959, 18121918]

約数ペア:

[(1, 18121918), (2, 9060959), (31, 584578), (41, 441998), (62, 292289), (82, 220999), (1271, 14258), (2542, 7129)]