18711693

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:135

約数の個数: 96

約数和(自身を含む): 38019072

約数和(自身を除く): 19307379

約数列:

[1, 3, 7, 9, 11, 13, 21, 31, 33, 39, 63, 67, 77, 91, 93, 99, 117, 143, 201, 217, 231, 273, 279, 341, 403, 429, 469, 603, 651, 693, 737, 819, 871, 1001, 1023, 1209, 1287, 1407, 1953, 2077, 2211, 2387, 2613, 2821, 3003, 3069, 3627, 4221, 4433, 5159, 6097, 6231, 6633, 7161, 7839, 8463, 9009, 9581, 13299, 14539, 15477, 18291, 18693, 21483, 22847, 25389, 27001, 28743, 31031, 39897, 43617, 46431, 54873, 67067, 68541, 81003, 86229, 93093, 130851, 159929, 189007, 201201, 205623, 243009, 279279, 297011, 479787, 567021, 603603, 891033, 1439361, 1701063, 2079077, 2673099, 6237231, 18711693]

約数ペア:

[(1, 18711693), (3, 6237231), (7, 2673099), (9, 2079077), (11, 1701063), (13, 1439361), (21, 891033), (31, 603603), (33, 567021), (39, 479787), (63, 297011), (67, 279279), (77, 243009), (91, 205623), (93, 201201), (99, 189007), (117, 159929), (143, 130851), (201, 93093), (217, 86229), (231, 81003), (273, 68541), (279, 67067), (341, 54873), (403, 46431), (429, 43617), (469, 39897), (603, 31031), (651, 28743), (693, 27001), (737, 25389), (819, 22847), (871, 21483), (1001, 18693), (1023, 18291), (1209, 15477), (1287, 14539), (1407, 13299), (1953, 9581), (2077, 9009), (2211, 8463), (2387, 7839), (2613, 7161), (2821, 6633), (3003, 6231), (3069, 6097), (3627, 5159), (4221, 4433)]