19714887

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{599}}^1$

素因数の和:684

約数の個数: 32

約数和(自身を含む): 31104000

約数和(自身を除く): 11389113

約数列:

[1, 3, 9, 23, 27, 53, 69, 159, 207, 477, 599, 621, 1219, 1431, 1797, 3657, 5391, 10971, 13777, 16173, 31747, 32913, 41331, 95241, 123993, 285723, 371979, 730181, 857169, 2190543, 6571629, 19714887]

約数ペア:

[(1, 19714887), (3, 6571629), (9, 2190543), (23, 857169), (27, 730181), (53, 371979), (69, 285723), (159, 123993), (207, 95241), (477, 41331), (599, 32913), (621, 31747), (1219, 16173), (1431, 13777), (1797, 10971), (3657, 5391)]