18719001

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{7247}}^1$

素因数の和:7301

約数の個数: 24

約数和(自身を含む): 31659264

約数和(自身を除く): 12940263

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 7247, 21741, 50729, 65223, 152187, 297127, 456561, 891381, 2079889, 2674143, 6239667, 18719001]

約数ペア:

[(1, 18719001), (3, 6239667), (7, 2674143), (9, 2079889), (21, 891381), (41, 456561), (63, 297127), (123, 152187), (287, 65223), (369, 50729), (861, 21741), (2583, 7247)]