18973942

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31729}}^1$

素因数の和:31767

約数の個数: 16

約数和(自身を含む): 31983840

約数和(自身を除く): 13009898

約数列:

[1, 2, 13, 23, 26, 46, 299, 598, 31729, 63458, 412477, 729767, 824954, 1459534, 9486971, 18973942]

約数ペア:

[(1, 18973942), (2, 9486971), (13, 1459534), (23, 824954), (26, 729767), (46, 412477), (299, 63458), (598, 31729)]