18073055

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 30578688

約数和(自身を除く): 12505633

約数列:

[1, 5, 7, 11, 13, 23, 35, 55, 65, 77, 91, 115, 143, 157, 161, 253, 299, 385, 455, 715, 785, 805, 1001, 1099, 1265, 1495, 1727, 1771, 2041, 2093, 3289, 3611, 5005, 5495, 8635, 8855, 10205, 10465, 12089, 14287, 16445, 18055, 22451, 23023, 25277, 39721, 46943, 60445, 71435, 112255, 115115, 126385, 157157, 198605, 234715, 278047, 328601, 516373, 785785, 1390235, 1643005, 2581865, 3614611, 18073055]

約数ペア:

[(1, 18073055), (5, 3614611), (7, 2581865), (11, 1643005), (13, 1390235), (23, 785785), (35, 516373), (55, 328601), (65, 278047), (77, 234715), (91, 198605), (115, 157157), (143, 126385), (157, 115115), (161, 112255), (253, 71435), (299, 60445), (385, 46943), (455, 39721), (715, 25277), (785, 23023), (805, 22451), (1001, 18055), (1099, 16445), (1265, 14287), (1495, 12089), (1727, 10465), (1771, 10205), (2041, 8855), (2093, 8635), (3289, 5495), (3611, 5005)]