19807066

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1\times {\mathrm{907}}^1$

素因数の和:1149

約数の個数: 16

約数和(自身を含む): 30399840

約数和(自身を除く): 10592774

約数列:

[1, 2, 61, 122, 179, 358, 907, 1814, 10919, 21838, 55327, 110654, 162353, 324706, 9903533, 19807066]

約数ペア:

[(1, 19807066), (2, 9903533), (61, 324706), (122, 162353), (179, 110654), (358, 55327), (907, 21838), (1814, 10919)]