19088240

素因数分解:

$2^4\times 5^1\times {\mathrm{269}}^1\times {\mathrm{887}}^1$

素因数の和:1169

約数の個数: 40

約数和(自身を含む): 44595360

約数和(自身を除く): 25507120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 269, 538, 887, 1076, 1345, 1774, 2152, 2690, 3548, 4304, 4435, 5380, 7096, 8870, 10760, 14192, 17740, 21520, 35480, 70960, 238603, 477206, 954412, 1193015, 1908824, 2386030, 3817648, 4772060, 9544120, 19088240]

約数ペア:

[(1, 19088240), (2, 9544120), (4, 4772060), (5, 3817648), (8, 2386030), (10, 1908824), (16, 1193015), (20, 954412), (40, 477206), (80, 238603), (269, 70960), (538, 35480), (887, 21520), (1076, 17740), (1345, 14192), (1774, 10760), (2152, 8870), (2690, 7096), (3548, 5380), (4304, 4435)]