18991102

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{15541}}^1$

素因数の和:15603

約数の個数: 16

約数和(自身を含む): 31332672

約数和(自身を除く): 12341570

約数列:

[1, 2, 13, 26, 47, 94, 611, 1222, 15541, 31082, 202033, 404066, 730427, 1460854, 9495551, 18991102]

約数ペア:

[(1, 18991102), (2, 9495551), (13, 1460854), (26, 730427), (47, 404066), (94, 202033), (611, 31082), (1222, 15541)]