18205551

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{22229}}^1$

素因数の和:22255

約数の個数: 24

約数和(自身を含む): 32366880

約数和(自身を除く): 14161329

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 22229, 66687, 155603, 200061, 288977, 466809, 866931, 1400427, 2022839, 2600793, 6068517, 18205551]

約数ペア:

[(1, 18205551), (3, 6068517), (7, 2600793), (9, 2022839), (13, 1400427), (21, 866931), (39, 466809), (63, 288977), (91, 200061), (117, 155603), (273, 66687), (819, 22229)]