16118920

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3697}}^1$

素因数の和:3817

約数の個数: 32

約数和(自身を含む): 36610200

約数和(自身を除く): 20491280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 3697, 4360, 7394, 14788, 18485, 29576, 36970, 73940, 147880, 402973, 805946, 1611892, 2014865, 3223784, 4029730, 8059460, 16118920]

約数ペア:

[(1, 16118920), (2, 8059460), (4, 4029730), (5, 3223784), (8, 2014865), (10, 1611892), (20, 805946), (40, 402973), (109, 147880), (218, 73940), (436, 36970), (545, 29576), (872, 18485), (1090, 14788), (2180, 7394), (3697, 4360)]