18470991

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{11423}}^1$

素因数の和:11451

約数の個数: 24

約数和(自身を含む): 31256064

約数和(自身を除く): 12785073

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 11423, 34269, 79961, 125653, 239883, 376959, 559727, 879571, 1679181, 2638713, 6156997, 18470991]

約数ペア:

[(1, 18470991), (3, 6156997), (7, 2638713), (11, 1679181), (21, 879571), (33, 559727), (49, 376959), (77, 239883), (147, 125653), (231, 79961), (539, 34269), (1617, 11423)]