19453791

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{40277}}^1$

素因数の和:40310

約数の個数: 16

約数和(自身を含む): 30933504

約数和(自身を除く): 11479713

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 40277, 120831, 281939, 845817, 926371, 2779113, 6484597, 19453791]

約数ペア:

[(1, 19453791), (3, 6484597), (7, 2779113), (21, 926371), (23, 845817), (69, 281939), (161, 120831), (483, 40277)]