18438303

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{167}}^1$

素因数の和:351

約数の個数: 32

約数和(自身を含む): 28224000

約数和(自身を除く): 9785697

約数列:

[1, 3, 13, 19, 39, 57, 149, 167, 247, 447, 501, 741, 1937, 2171, 2831, 3173, 5811, 6513, 8493, 9519, 24883, 36803, 41249, 74649, 110409, 123747, 323479, 472777, 970437, 1418331, 6146101, 18438303]

約数ペア:

[(1, 18438303), (3, 6146101), (13, 1418331), (19, 970437), (39, 472777), (57, 323479), (149, 123747), (167, 110409), (247, 74649), (447, 41249), (501, 36803), (741, 24883), (1937, 9519), (2171, 8493), (2831, 6513), (3173, 5811)]