19374054

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:245

約数の個数: 64

約数和(自身を含む): 46033920

約数和(自身を除く): 26659866

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 73, 89, 142, 146, 178, 213, 219, 267, 426, 438, 497, 511, 534, 623, 994, 1022, 1246, 1491, 1533, 1869, 2982, 3066, 3738, 5183, 6319, 6497, 10366, 12638, 12994, 15549, 18957, 19491, 31098, 36281, 37914, 38982, 44233, 45479, 72562, 88466, 90958, 108843, 132699, 136437, 217686, 265398, 272874, 461287, 922574, 1383861, 2767722, 3229009, 6458018, 9687027, 19374054]

約数ペア:

[(1, 19374054), (2, 9687027), (3, 6458018), (6, 3229009), (7, 2767722), (14, 1383861), (21, 922574), (42, 461287), (71, 272874), (73, 265398), (89, 217686), (142, 136437), (146, 132699), (178, 108843), (213, 90958), (219, 88466), (267, 72562), (426, 45479), (438, 44233), (497, 38982), (511, 37914), (534, 36281), (623, 31098), (994, 19491), (1022, 18957), (1246, 15549), (1491, 12994), (1533, 12638), (1869, 10366), (2982, 6497), (3066, 6319), (3738, 5183)]