18066545

素因数分解:

$5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1993}}^1$

素因数の和:2049

約数の個数: 24

約数和(自身を含む): 25914024

約数和(自身を除く): 7847479

約数列:

[1, 5, 7, 35, 37, 49, 185, 245, 259, 1295, 1813, 1993, 9065, 9965, 13951, 69755, 73741, 97657, 368705, 488285, 516187, 2580935, 3613309, 18066545]

約数ペア:

[(1, 18066545), (5, 3613309), (7, 2580935), (35, 516187), (37, 488285), (49, 368705), (185, 97657), (245, 73741), (259, 69755), (1295, 13951), (1813, 9965), (1993, 9065)]