18525690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4787}}^1$

素因数の和:4843

約数の個数: 48

約数和(自身を含む): 49297248

約数和(自身を除く): 30771558

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 645, 774, 1290, 1935, 3870, 4787, 9574, 14361, 23935, 28722, 43083, 47870, 71805, 86166, 143610, 205841, 215415, 411682, 430830, 617523, 1029205, 1235046, 1852569, 2058410, 3087615, 3705138, 6175230, 9262845, 18525690]

約数ペア:

[(1, 18525690), (2, 9262845), (3, 6175230), (5, 3705138), (6, 3087615), (9, 2058410), (10, 1852569), (15, 1235046), (18, 1029205), (30, 617523), (43, 430830), (45, 411682), (86, 215415), (90, 205841), (129, 143610), (215, 86166), (258, 71805), (387, 47870), (430, 43083), (645, 28722), (774, 23935), (1290, 14361), (1935, 9574), (3870, 4787)]