18628790

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{30539}}^1$

素因数の和:30607

約数の個数: 16

約数和(自身を含む): 34082640

約数和(自身を除く): 15453850

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 30539, 61078, 152695, 305390, 1862879, 3725758, 9314395, 18628790]

約数ペア:

[(1, 18628790), (2, 9314395), (5, 3725758), (10, 1862879), (61, 305390), (122, 152695), (305, 61078), (610, 30539)]