11989418

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:219

約数の個数: 48

約数和(自身を含む): 22654080

約数和(自身を除く): 10664662

約数列:

[1, 2, 7, 14, 19, 38, 47, 49, 94, 98, 133, 137, 266, 274, 329, 658, 893, 931, 959, 1786, 1862, 1918, 2303, 2603, 4606, 5206, 6251, 6439, 6713, 12502, 12878, 13426, 18221, 36442, 43757, 45073, 87514, 90146, 122341, 127547, 244682, 255094, 315511, 631022, 856387, 1712774, 5994709, 11989418]

約数ペア:

[(1, 11989418), (2, 5994709), (7, 1712774), (14, 856387), (19, 631022), (38, 315511), (47, 255094), (49, 244682), (94, 127547), (98, 122341), (133, 90146), (137, 87514), (266, 45073), (274, 43757), (329, 36442), (658, 18221), (893, 13426), (931, 12878), (959, 12502), (1786, 6713), (1862, 6439), (1918, 6251), (2303, 5206), (2603, 4606)]