19404138

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:211

約数の個数: 64

約数和(自身を含む): 43868160

約数和(自身を除く): 24464022

約数列:

[1, 2, 3, 6, 13, 26, 39, 47, 67, 78, 79, 94, 134, 141, 158, 201, 237, 282, 402, 474, 611, 871, 1027, 1222, 1742, 1833, 2054, 2613, 3081, 3149, 3666, 3713, 5226, 5293, 6162, 6298, 7426, 9447, 10586, 11139, 15879, 18894, 22278, 31758, 40937, 48269, 68809, 81874, 96538, 122811, 137618, 144807, 206427, 245622, 248771, 289614, 412854, 497542, 746313, 1492626, 3234023, 6468046, 9702069, 19404138]

約数ペア:

[(1, 19404138), (2, 9702069), (3, 6468046), (6, 3234023), (13, 1492626), (26, 746313), (39, 497542), (47, 412854), (67, 289614), (78, 248771), (79, 245622), (94, 206427), (134, 144807), (141, 137618), (158, 122811), (201, 96538), (237, 81874), (282, 68809), (402, 48269), (474, 40937), (611, 31758), (871, 22278), (1027, 18894), (1222, 15879), (1742, 11139), (1833, 10586), (2054, 9447), (2613, 7426), (3081, 6298), (3149, 6162), (3666, 5293), (3713, 5226)]