19876629

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{4861}}^1$

素因数の和:4940

約数の個数: 16

約数和(自身を含む): 28005120

約数和(自身を除く): 8128491

約数列:

[1, 3, 29, 47, 87, 141, 1363, 4089, 4861, 14583, 140969, 228467, 422907, 685401, 6625543, 19876629]

約数ペア:

[(1, 19876629), (3, 6625543), (29, 685401), (47, 422907), (87, 228467), (141, 140969), (1363, 14583), (4089, 4861)]