18085705

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^2$

素因数の和:114

約数の個数: 48

約数和(自身を含む): 27091584

約数和(自身を除く): 9005879

約数列:

[1, 5, 11, 17, 23, 29, 55, 85, 115, 145, 187, 253, 319, 391, 493, 667, 841, 935, 1265, 1595, 1955, 2465, 3335, 4205, 4301, 5423, 7337, 9251, 11339, 14297, 19343, 21505, 27115, 36685, 46255, 56695, 71485, 96715, 124729, 157267, 212773, 328831, 623645, 786335, 1063865, 1644155, 3617141, 18085705]

約数ペア:

[(1, 18085705), (5, 3617141), (11, 1644155), (17, 1063865), (23, 786335), (29, 623645), (55, 328831), (85, 212773), (115, 157267), (145, 124729), (187, 96715), (253, 71485), (319, 56695), (391, 46255), (493, 36685), (667, 27115), (841, 21505), (935, 19343), (1265, 14297), (1595, 11339), (1955, 9251), (2465, 7337), (3335, 5423), (4205, 4301)]