17980493774

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{1061297}}^1$

素因数の和:1061539

約数の個数: 16

約数和(自身を含む): 27738084528

約数和(自身を除く): 9757590754

約数列:

[1, 2, 43, 86, 197, 394, 8471, 16942, 1061297, 2122594, 45635771, 91271542, 209075509, 418151018, 8990246887, 17980493774]

約数ペア:

[(1, 17980493774), (2, 8990246887), (43, 418151018), (86, 209075509), (197, 91271542), (394, 45635771), (8471, 2122594), (16942, 1061297)]