17947786

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{1123}}^1$

素因数の和:1317

約数の個数: 16

約数和(自身を含む): 27596448

約数和(自身を除く): 9648662

約数列:

[1, 2, 61, 122, 131, 262, 1123, 2246, 7991, 15982, 68503, 137006, 147113, 294226, 8973893, 17947786]

約数ペア:

[(1, 17947786), (2, 8973893), (61, 294226), (122, 147113), (131, 137006), (262, 68503), (1123, 15982), (2246, 7991)]