18532720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13627}}^1$

素因数の和:13657

約数の個数: 40

約数和(自身を含む): 45626544

約数和(自身を除く): 27093824

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 13627, 27254, 54508, 68135, 109016, 136270, 218032, 231659, 272540, 463318, 545080, 926636, 1090160, 1158295, 1853272, 2316590, 3706544, 4633180, 9266360, 18532720]

約数ペア:

[(1, 18532720), (2, 9266360), (4, 4633180), (5, 3706544), (8, 2316590), (10, 1853272), (16, 1158295), (17, 1090160), (20, 926636), (34, 545080), (40, 463318), (68, 272540), (80, 231659), (85, 218032), (136, 136270), (170, 109016), (272, 68135), (340, 54508), (680, 27254), (1360, 13627)]