18877788

素因数分解:

$2^2\times 3^2\times {\mathrm{127}}^1\times {\mathrm{4129}}^1$

素因数の和:4266

約数の個数: 36

約数和(自身を含む): 48106240

約数和(自身を除く): 29228452

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 127, 254, 381, 508, 762, 1143, 1524, 2286, 4129, 4572, 8258, 12387, 16516, 24774, 37161, 49548, 74322, 148644, 524383, 1048766, 1573149, 2097532, 3146298, 4719447, 6292596, 9438894, 18877788]

約数ペア:

[(1, 18877788), (2, 9438894), (3, 6292596), (4, 4719447), (6, 3146298), (9, 2097532), (12, 1573149), (18, 1048766), (36, 524383), (127, 148644), (254, 74322), (381, 49548), (508, 37161), (762, 24774), (1143, 16516), (1524, 12387), (2286, 8258), (4129, 4572)]