18616994

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{22871}}^1$

素因数の和:22921

約数の個数: 16

約数和(自身を含む): 31288896

約数和(自身を除く): 12671902

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 22871, 45742, 251581, 503162, 846227, 1692454, 9308497, 18616994]

約数ペア:

[(1, 18616994), (2, 9308497), (11, 1692454), (22, 846227), (37, 503162), (74, 251581), (407, 45742), (814, 22871)]