18108916

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{4937}}^1$

素因数の和:5079

約数の個数: 24

約数和(自身を含む): 36501696

約数和(自身を除く): 18392780

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 4937, 9874, 19748, 34559, 69118, 138236, 646747, 1293494, 2586988, 4527229, 9054458, 18108916]

約数ペア:

[(1, 18108916), (2, 9054458), (4, 4527229), (7, 2586988), (14, 1293494), (28, 646747), (131, 138236), (262, 69118), (524, 34559), (917, 19748), (1834, 9874), (3668, 4937)]