18886161

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{433}}^1$

素因数の和:541

約数の個数: 32

約数和(自身を含む): 30220288

約数和(自身を除く): 11334127

約数列:

[1, 3, 7, 21, 31, 67, 93, 201, 217, 433, 469, 651, 1299, 1407, 2077, 3031, 6231, 9093, 13423, 14539, 29011, 40269, 43617, 87033, 93961, 203077, 281883, 609231, 899341, 2698023, 6295387, 18886161]

約数ペア:

[(1, 18886161), (3, 6295387), (7, 2698023), (21, 899341), (31, 609231), (67, 281883), (93, 203077), (201, 93961), (217, 87033), (433, 43617), (469, 40269), (651, 29011), (1299, 14539), (1407, 13423), (2077, 9093), (3031, 6231)]