18726160

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2963}}^1$

素因数の和:3055

約数の個数: 40

約数和(自身を含む): 44104320

約数和(自身を除く): 25378160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 2963, 3160, 5926, 6320, 11852, 14815, 23704, 29630, 47408, 59260, 118520, 234077, 237040, 468154, 936308, 1170385, 1872616, 2340770, 3745232, 4681540, 9363080, 18726160]

約数ペア:

[(1, 18726160), (2, 9363080), (4, 4681540), (5, 3745232), (8, 2340770), (10, 1872616), (16, 1170385), (20, 936308), (40, 468154), (79, 237040), (80, 234077), (158, 118520), (316, 59260), (395, 47408), (632, 29630), (790, 23704), (1264, 14815), (1580, 11852), (2963, 6320), (3160, 5926)]