19386890

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{347}}^1$

素因数の和:542

約数の個数: 32

約数和(自身を含む): 36180864

約数和(自身を除く): 16793974

約数列:

[1, 2, 5, 10, 37, 74, 151, 185, 302, 347, 370, 694, 755, 1510, 1735, 3470, 5587, 11174, 12839, 25678, 27935, 52397, 55870, 64195, 104794, 128390, 261985, 523970, 1938689, 3877378, 9693445, 19386890]

約数ペア:

[(1, 19386890), (2, 9693445), (5, 3877378), (10, 1938689), (37, 523970), (74, 261985), (151, 128390), (185, 104794), (302, 64195), (347, 55870), (370, 52397), (694, 27935), (755, 25678), (1510, 12839), (1735, 11174), (3470, 5587)]