19827231

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1\times {\mathrm{487}}^1$

素因数の和:862

約数の個数: 16

約数和(自身を含む): 27218688

約数和(自身を除く): 7391457

約数列:

[1, 3, 41, 123, 331, 487, 993, 1461, 13571, 19967, 40713, 59901, 161197, 483591, 6609077, 19827231]

約数ペア:

[(1, 19827231), (3, 6609077), (41, 483591), (123, 161197), (331, 59901), (487, 40713), (993, 19967), (1461, 13571)]