18895690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{9041}}^1$

素因数の和:9078

約数の個数: 32

約数和(自身を含む): 39061440

約数和(自身を除く): 20165750

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 9041, 18082, 45205, 90410, 99451, 171779, 198902, 343558, 497255, 858895, 994510, 1717790, 1889569, 3779138, 9447845, 18895690]

約数ペア:

[(1, 18895690), (2, 9447845), (5, 3779138), (10, 1889569), (11, 1717790), (19, 994510), (22, 858895), (38, 497255), (55, 343558), (95, 198902), (110, 171779), (190, 99451), (209, 90410), (418, 45205), (1045, 18082), (2090, 9041)]