19198641

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{383}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 33619968

約数和(自身を除く): 14421327

約数列:

[1, 3, 7, 11, 21, 31, 33, 49, 77, 93, 147, 217, 231, 341, 383, 539, 651, 1023, 1149, 1519, 1617, 2387, 2681, 4213, 4557, 7161, 8043, 11873, 12639, 16709, 18767, 29491, 35619, 50127, 56301, 83111, 88473, 130603, 206437, 249333, 391809, 581777, 619311, 914221, 1745331, 2742663, 6399547, 19198641]

約数ペア:

[(1, 19198641), (3, 6399547), (7, 2742663), (11, 1745331), (21, 914221), (31, 619311), (33, 581777), (49, 391809), (77, 249333), (93, 206437), (147, 130603), (217, 88473), (231, 83111), (341, 56301), (383, 50127), (539, 35619), (651, 29491), (1023, 18767), (1149, 16709), (1519, 12639), (1617, 11873), (2387, 8043), (2681, 7161), (4213, 4557)]