19660147165

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{698779}}^1$

素因数の和:699132

約数の個数: 16

約数和(自身を含む): 25055455680

約数和(自身を除く): 5395308515

約数列:

[1, 5, 17, 85, 331, 1655, 5627, 28135, 698779, 3493895, 11879243, 59396215, 231295849, 1156479245, 3932029433, 19660147165]

約数ペア:

[(1, 19660147165), (5, 3932029433), (17, 1156479245), (85, 231295849), (331, 59396215), (1655, 11879243), (5627, 3493895), (28135, 698779)]