19812710

素因数分解:

$2^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{13121}}^1$

素因数の和:13279

約数の個数: 16

約数和(自身を含む): 35901792

約数和(自身を除く): 16089082

約数列:

[1, 2, 5, 10, 151, 302, 755, 1510, 13121, 26242, 65605, 131210, 1981271, 3962542, 9906355, 19812710]

約数ペア:

[(1, 19812710), (2, 9906355), (5, 3962542), (10, 1981271), (151, 131210), (302, 65605), (755, 26242), (1510, 13121)]