18045818

素因数分解:

$2^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{2069}}^1$

素因数の和:2174

約数の個数: 24

約数和(自身を含む): 31857300

約数和(自身を除く): 13811482

約数列:

[1, 2, 7, 14, 49, 89, 98, 178, 623, 1246, 2069, 4138, 4361, 8722, 14483, 28966, 101381, 184141, 202762, 368282, 1288987, 2577974, 9022909, 18045818]

約数ペア:

[(1, 18045818), (2, 9022909), (7, 2577974), (14, 1288987), (49, 368282), (89, 202762), (98, 184141), (178, 101381), (623, 28966), (1246, 14483), (2069, 8722), (4138, 4361)]