19875495

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{42743}}^1$

素因数の和:42782

約数の個数: 16

約数和(自身を含む): 32827392

約数和(自身を除く): 12951897

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 42743, 128229, 213715, 641145, 1325033, 3975099, 6625165, 19875495]

約数ペア:

[(1, 19875495), (3, 6625165), (5, 3975099), (15, 1325033), (31, 641145), (93, 213715), (155, 128229), (465, 42743)]