18645042

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{547}}^1$

素因数の和:607

約数の個数: 64

約数和(自身を含む): 44190720

約数和(自身を除く): 25545678

約数列:

[1, 2, 3, 6, 13, 19, 23, 26, 38, 39, 46, 57, 69, 78, 114, 138, 247, 299, 437, 494, 547, 598, 741, 874, 897, 1094, 1311, 1482, 1641, 1794, 2622, 3282, 5681, 7111, 10393, 11362, 12581, 14222, 17043, 20786, 21333, 25162, 31179, 34086, 37743, 42666, 62358, 75486, 135109, 163553, 239039, 270218, 327106, 405327, 478078, 490659, 717117, 810654, 981318, 1434234, 3107507, 6215014, 9322521, 18645042]

約数ペア:

[(1, 18645042), (2, 9322521), (3, 6215014), (6, 3107507), (13, 1434234), (19, 981318), (23, 810654), (26, 717117), (38, 490659), (39, 478078), (46, 405327), (57, 327106), (69, 270218), (78, 239039), (114, 163553), (138, 135109), (247, 75486), (299, 62358), (437, 42666), (494, 37743), (547, 34086), (598, 31179), (741, 25162), (874, 21333), (897, 20786), (1094, 17043), (1311, 14222), (1482, 12581), (1641, 11362), (1794, 10393), (2622, 7111), (3282, 5681)]