18982341

素因数分解:

$3^2\times 7^1\times {\mathrm{367}}^1\times {\mathrm{821}}^1$

素因数の和:1201

約数の個数: 24

約数和(自身を含む): 31459584

約数和(自身を除く): 12477243

約数列:

[1, 3, 7, 9, 21, 63, 367, 821, 1101, 2463, 2569, 3303, 5747, 7389, 7707, 17241, 23121, 51723, 301307, 903921, 2109149, 2711763, 6327447, 18982341]

約数ペア:

[(1, 18982341), (3, 6327447), (7, 2711763), (9, 2109149), (21, 903921), (63, 301307), (367, 51723), (821, 23121), (1101, 17241), (2463, 7707), (2569, 7389), (3303, 5747)]