19413488

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{5441}}^1$

素因数の和:5672

約数の個数: 20

約数和(自身を含む): 37789248

約数和(自身を除く): 18375760

約数列:

[1, 2, 4, 8, 16, 223, 446, 892, 1784, 3568, 5441, 10882, 21764, 43528, 87056, 1213343, 2426686, 4853372, 9706744, 19413488]

約数ペア:

[(1, 19413488), (2, 9706744), (4, 4853372), (8, 2426686), (16, 1213343), (223, 87056), (446, 43528), (892, 21764), (1784, 10882), (3568, 5441)]