18910347

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{5171}}^1$

素因数の和:5250

約数の個数: 16

約数和(自身を含む): 26811648

約数和(自身を除く): 7901301

約数列:

[1, 3, 23, 53, 69, 159, 1219, 3657, 5171, 15513, 118933, 274063, 356799, 822189, 6303449, 18910347]

約数ペア:

[(1, 18910347), (3, 6303449), (23, 822189), (53, 356799), (69, 274063), (159, 118933), (1219, 15513), (3657, 5171)]