18881342

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1\times {\mathrm{607}}^1$

素因数の和:863

約数の個数: 16

約数和(自身を含む): 28833792

約数和(自身を除く): 9952450

約数列:

[1, 2, 103, 151, 206, 302, 607, 1214, 15553, 31106, 62521, 91657, 125042, 183314, 9440671, 18881342]

約数ペア:

[(1, 18881342), (2, 9440671), (103, 183314), (151, 125042), (206, 91657), (302, 62521), (607, 31106), (1214, 15553)]