19955378

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{223}}^1\times {\mathrm{443}}^1$

素因数の和:769

約数の個数: 16

約数和(自身を含む): 30433536

約数和(自身を除く): 10478158

約数列:

[1, 2, 101, 202, 223, 443, 446, 886, 22523, 44743, 45046, 89486, 98789, 197578, 9977689, 19955378]

約数ペア:

[(1, 19955378), (2, 9977689), (101, 197578), (202, 98789), (223, 89486), (443, 45046), (446, 44743), (886, 22523)]