19685148

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{443}}^1$

素因数の和:503

約数の個数: 72

約数和(自身を含む): 54999168

約数和(自身を除く): 35314020

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 69, 84, 92, 138, 161, 276, 322, 443, 483, 529, 644, 886, 966, 1058, 1329, 1587, 1772, 1932, 2116, 2658, 3101, 3174, 3703, 5316, 6202, 6348, 7406, 9303, 10189, 11109, 12404, 14812, 18606, 20378, 22218, 30567, 37212, 40756, 44436, 61134, 71323, 122268, 142646, 213969, 234347, 285292, 427938, 468694, 703041, 855876, 937388, 1406082, 1640429, 2812164, 3280858, 4921287, 6561716, 9842574, 19685148]

約数ペア:

[(1, 19685148), (2, 9842574), (3, 6561716), (4, 4921287), (6, 3280858), (7, 2812164), (12, 1640429), (14, 1406082), (21, 937388), (23, 855876), (28, 703041), (42, 468694), (46, 427938), (69, 285292), (84, 234347), (92, 213969), (138, 142646), (161, 122268), (276, 71323), (322, 61134), (443, 44436), (483, 40756), (529, 37212), (644, 30567), (886, 22218), (966, 20378), (1058, 18606), (1329, 14812), (1587, 12404), (1772, 11109), (1932, 10189), (2116, 9303), (2658, 7406), (3101, 6348), (3174, 6202), (3703, 5316)]