18879196

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{5147}}^1$

素因数の和:5289

約数の個数: 24

約数和(自身を含む): 38054016

約数和(自身を除く): 19174820

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 5147, 10294, 20588, 36029, 72058, 144116, 674257, 1348514, 2697028, 4719799, 9439598, 18879196]

約数ペア:

[(1, 18879196), (2, 9439598), (4, 4719799), (7, 2697028), (14, 1348514), (28, 674257), (131, 144116), (262, 72058), (524, 36029), (917, 20588), (1834, 10294), (3668, 5147)]