19875939

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{283}}^1\times {\mathrm{571}}^1$

素因数の和:898

約数の個数: 16

約数和(自身を含む): 27291264

約数和(自身を除く): 7415325

約数列:

[1, 3, 41, 123, 283, 571, 849, 1713, 11603, 23411, 34809, 70233, 161593, 484779, 6625313, 19875939]

約数ペア:

[(1, 19875939), (3, 6625313), (41, 484779), (123, 161593), (283, 70233), (571, 34809), (849, 23411), (1713, 11603)]