18231195

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{307}}^1$

素因数の和:459

約数の個数: 32

約数和(自身を含む): 30336768

約数和(自身を除く): 12105573

約数列:

[1, 3, 5, 15, 37, 107, 111, 185, 307, 321, 535, 555, 921, 1535, 1605, 3959, 4605, 11359, 11877, 19795, 32849, 34077, 56795, 59385, 98547, 164245, 170385, 492735, 1215413, 3646239, 6077065, 18231195]

約数ペア:

[(1, 18231195), (3, 6077065), (5, 3646239), (15, 1215413), (37, 492735), (107, 170385), (111, 164245), (185, 98547), (307, 59385), (321, 56795), (535, 34077), (555, 32849), (921, 19795), (1535, 11877), (1605, 11359), (3959, 4605)]