18686166

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:185

約数の個数: 64

約数和(自身を含む): 41361408

約数和(自身を除く): 22675242

約数列:

[1, 2, 3, 6, 23, 43, 46, 47, 67, 69, 86, 94, 129, 134, 138, 141, 201, 258, 282, 402, 989, 1081, 1541, 1978, 2021, 2162, 2881, 2967, 3082, 3149, 3243, 4042, 4623, 5762, 5934, 6063, 6298, 6486, 8643, 9246, 9447, 12126, 17286, 18894, 46483, 66263, 72427, 92966, 132526, 135407, 139449, 144854, 198789, 217281, 270814, 278898, 397578, 406221, 434562, 812442, 3114361, 6228722, 9343083, 18686166]

約数ペア:

[(1, 18686166), (2, 9343083), (3, 6228722), (6, 3114361), (23, 812442), (43, 434562), (46, 406221), (47, 397578), (67, 278898), (69, 270814), (86, 217281), (94, 198789), (129, 144854), (134, 139449), (138, 135407), (141, 132526), (201, 92966), (258, 72427), (282, 66263), (402, 46483), (989, 18894), (1081, 17286), (1541, 12126), (1978, 9447), (2021, 9246), (2162, 8643), (2881, 6486), (2967, 6298), (3082, 6063), (3149, 5934), (3243, 5762), (4042, 4623)]