18744790

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{349}}^1$

素因数の和:528

約数の個数: 32

約数和(自身を含む): 34927200

約数和(自身を除く): 16182410

約数列:

[1, 2, 5, 10, 41, 82, 131, 205, 262, 349, 410, 655, 698, 1310, 1745, 3490, 5371, 10742, 14309, 26855, 28618, 45719, 53710, 71545, 91438, 143090, 228595, 457190, 1874479, 3748958, 9372395, 18744790]

約数ペア:

[(1, 18744790), (2, 9372395), (5, 3748958), (10, 1874479), (41, 457190), (82, 228595), (131, 143090), (205, 91438), (262, 71545), (349, 53710), (410, 45719), (655, 28618), (698, 26855), (1310, 14309), (1745, 10742), (3490, 5371)]