18975187

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{937}}^1$

素因数の和:1218

約数の個数: 16

約数和(自身を含む): 23772672

約数和(自身を除く): 4797485

約数列:

[1, 7, 11, 77, 263, 937, 1841, 2893, 6559, 10307, 20251, 72149, 246431, 1725017, 2710741, 18975187]

約数ペア:

[(1, 18975187), (7, 2710741), (11, 1725017), (77, 246431), (263, 72149), (937, 20251), (1841, 10307), (2893, 6559)]