19171887

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{3181}}^1$

素因数の和:3239

約数の個数: 24

約数和(自身を含む): 30470832

約数和(自身を除く): 11298945

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 861, 2009, 3181, 6027, 9543, 22267, 66801, 130421, 155869, 391263, 467607, 912947, 2738841, 6390629, 19171887]

約数ペア:

[(1, 19171887), (3, 6390629), (7, 2738841), (21, 912947), (41, 467607), (49, 391263), (123, 155869), (147, 130421), (287, 66801), (861, 22267), (2009, 9543), (3181, 6027)]