19921065

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{42841}}^1$

素因数の和:42880

約数の個数: 16

約数和(自身を含む): 32902656

約数和(自身を除く): 12981591

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 42841, 128523, 214205, 642615, 1328071, 3984213, 6640355, 19921065]

約数ペア:

[(1, 19921065), (3, 6640355), (5, 3984213), (15, 1328071), (31, 642615), (93, 214205), (155, 128523), (465, 42841)]