19538942

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{3391}}^1$

素因数の和:3503

約数の個数: 16

約数和(自身を含む): 30446592

約数和(自身を除く): 10907650

約数列:

[1, 2, 43, 67, 86, 134, 2881, 3391, 5762, 6782, 145813, 227197, 291626, 454394, 9769471, 19538942]

約数ペア:

[(1, 19538942), (2, 9769471), (43, 454394), (67, 291626), (86, 227197), (134, 145813), (2881, 6782), (3391, 5762)]