18452080

素因数分解:

$2^4\times 5^1\times {\mathrm{263}}^1\times {\mathrm{877}}^1$

素因数の和:1153

約数の個数: 40

約数和(自身を含む): 43113312

約数和(自身を除く): 24661232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 263, 526, 877, 1052, 1315, 1754, 2104, 2630, 3508, 4208, 4385, 5260, 7016, 8770, 10520, 14032, 17540, 21040, 35080, 70160, 230651, 461302, 922604, 1153255, 1845208, 2306510, 3690416, 4613020, 9226040, 18452080]

約数ペア:

[(1, 18452080), (2, 9226040), (4, 4613020), (5, 3690416), (8, 2306510), (10, 1845208), (16, 1153255), (20, 922604), (40, 461302), (80, 230651), (263, 70160), (526, 35080), (877, 21040), (1052, 17540), (1315, 14032), (1754, 10520), (2104, 8770), (2630, 7016), (3508, 5260), (4208, 4385)]