19317123

素因数分解:

$3^4\times 7^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:214

約数の個数: 60

約数和(自身を含む): 34871232

約数和(自身を除く): 15554109

約数列:

[1, 3, 7, 9, 21, 27, 31, 49, 63, 81, 93, 147, 157, 189, 217, 279, 441, 471, 567, 651, 837, 1099, 1323, 1413, 1519, 1953, 2511, 3297, 3969, 4239, 4557, 4867, 5859, 7693, 9891, 12717, 13671, 14601, 17577, 23079, 29673, 34069, 41013, 43803, 69237, 89019, 102207, 123039, 131409, 207711, 238483, 306621, 394227, 623133, 715449, 919863, 2146347, 2759589, 6439041, 19317123]

約数ペア:

[(1, 19317123), (3, 6439041), (7, 2759589), (9, 2146347), (21, 919863), (27, 715449), (31, 623133), (49, 394227), (63, 306621), (81, 238483), (93, 207711), (147, 131409), (157, 123039), (189, 102207), (217, 89019), (279, 69237), (441, 43803), (471, 41013), (567, 34069), (651, 29673), (837, 23079), (1099, 17577), (1323, 14601), (1413, 13671), (1519, 12717), (1953, 9891), (2511, 7693), (3297, 5859), (3969, 4867), (4239, 4557)]