19085787

素因数分解:

$3^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{821}}^1$

素因数の和:881

約数の個数: 40

約数和(自身を含む): 33419232

約数和(自身を除く): 14333445

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 81, 123, 189, 287, 369, 567, 821, 861, 1107, 2463, 2583, 3321, 5747, 7389, 7749, 17241, 22167, 23247, 33661, 51723, 66501, 100983, 155169, 235627, 302949, 465507, 706881, 908847, 2120643, 2726541, 6361929, 19085787]

約数ペア:

[(1, 19085787), (3, 6361929), (7, 2726541), (9, 2120643), (21, 908847), (27, 706881), (41, 465507), (63, 302949), (81, 235627), (123, 155169), (189, 100983), (287, 66501), (369, 51723), (567, 33661), (821, 23247), (861, 22167), (1107, 17241), (2463, 7749), (2583, 7389), (3321, 5747)]