19417696

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{293}}^1$

素因数の和:431

約数の個数: 48

約数和(自身を含む): 40748400

約数和(自身を除く): 21330704

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 109, 152, 218, 293, 304, 436, 586, 608, 872, 1172, 1744, 2071, 2344, 3488, 4142, 4688, 5567, 8284, 9376, 11134, 16568, 22268, 31937, 33136, 44536, 63874, 66272, 89072, 127748, 178144, 255496, 510992, 606803, 1021984, 1213606, 2427212, 4854424, 9708848, 19417696]

約数ペア:

[(1, 19417696), (2, 9708848), (4, 4854424), (8, 2427212), (16, 1213606), (19, 1021984), (32, 606803), (38, 510992), (76, 255496), (109, 178144), (152, 127748), (218, 89072), (293, 66272), (304, 63874), (436, 44536), (586, 33136), (608, 31937), (872, 22268), (1172, 16568), (1744, 11134), (2071, 9376), (2344, 8284), (3488, 5567), (4142, 4688)]