18211992

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{20509}}^1$

素因数の和:20555

約数の個数: 32

約数和(自身を含む): 46762800

約数和(自身を除く): 28550808

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 148, 222, 296, 444, 888, 20509, 41018, 61527, 82036, 123054, 164072, 246108, 492216, 758833, 1517666, 2276499, 3035332, 4552998, 6070664, 9105996, 18211992]

約数ペア:

[(1, 18211992), (2, 9105996), (3, 6070664), (4, 4552998), (6, 3035332), (8, 2276499), (12, 1517666), (24, 758833), (37, 492216), (74, 246108), (111, 164072), (148, 123054), (222, 82036), (296, 61527), (444, 41018), (888, 20509)]