19876089987

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{6291893}}^1$

素因数の和:6291921

約数の個数: 24

約数和(自身を含む): 32063491824

約数和(自身を除く): 12187401837

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 1053, 3159, 6291893, 18875679, 56627037, 81794609, 169881111, 245383827, 509643333, 736151481, 1528929999, 2208454443, 6625363329, 19876089987]

約数ペア:

[(1, 19876089987), (3, 6625363329), (9, 2208454443), (13, 1528929999), (27, 736151481), (39, 509643333), (81, 245383827), (117, 169881111), (243, 81794609), (351, 56627037), (1053, 18875679), (3159, 6291893)]