19833850

素因数分解:

$2^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:271

約数の個数: 48

約数和(自身を含む): 38676096

約数和(自身を除く): 18842246

約数列:

[1, 2, 5, 10, 25, 37, 50, 71, 74, 142, 151, 185, 302, 355, 370, 710, 755, 925, 1510, 1775, 1850, 2627, 3550, 3775, 5254, 5587, 7550, 10721, 11174, 13135, 21442, 26270, 27935, 53605, 55870, 65675, 107210, 131350, 139675, 268025, 279350, 396677, 536050, 793354, 1983385, 3966770, 9916925, 19833850]

約数ペア:

[(1, 19833850), (2, 9916925), (5, 3966770), (10, 1983385), (25, 793354), (37, 536050), (50, 396677), (71, 279350), (74, 268025), (142, 139675), (151, 131350), (185, 107210), (302, 65675), (355, 55870), (370, 53605), (710, 27935), (755, 26270), (925, 21442), (1510, 13135), (1775, 11174), (1850, 10721), (2627, 7550), (3550, 5587), (3775, 5254)]