18133731

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 33067008

約数和(自身を除く): 14933277

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 137, 191, 231, 411, 573, 693, 959, 1233, 1337, 1507, 1719, 2101, 2877, 4011, 4521, 6303, 8631, 10549, 12033, 13563, 14707, 18909, 26167, 31647, 44121, 78501, 94941, 132363, 183169, 235503, 287837, 549507, 863511, 1648521, 2014859, 2590533, 6044577, 18133731]

約数ペア:

[(1, 18133731), (3, 6044577), (7, 2590533), (9, 2014859), (11, 1648521), (21, 863511), (33, 549507), (63, 287837), (77, 235503), (99, 183169), (137, 132363), (191, 94941), (231, 78501), (411, 44121), (573, 31647), (693, 26167), (959, 18909), (1233, 14707), (1337, 13563), (1507, 12033), (1719, 10549), (2101, 8631), (2877, 6303), (4011, 4521)]