18665172

素因数分解:

$2^2\times 3^2\times {\mathrm{79}}^1\times {\mathrm{6563}}^1$

素因数の和:6652

約数の個数: 36

約数和(自身を含む): 47785920

約数和(自身を除く): 29120748

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 79, 158, 237, 316, 474, 711, 948, 1422, 2844, 6563, 13126, 19689, 26252, 39378, 59067, 78756, 118134, 236268, 518477, 1036954, 1555431, 2073908, 3110862, 4666293, 6221724, 9332586, 18665172]

約数ペア:

[(1, 18665172), (2, 9332586), (3, 6221724), (4, 4666293), (6, 3110862), (9, 2073908), (12, 1555431), (18, 1036954), (36, 518477), (79, 236268), (158, 118134), (237, 78756), (316, 59067), (474, 39378), (711, 26252), (948, 19689), (1422, 13126), (2844, 6563)]