19195840

素因数分解:

$2^6\times 5^1\times {\mathrm{223}}^1\times {\mathrm{269}}^1$

素因数の和:509

約数の個数: 56

約数和(自身を含む): 46085760

約数和(自身を除く): 26889920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 223, 269, 320, 446, 538, 892, 1076, 1115, 1345, 1784, 2152, 2230, 2690, 3568, 4304, 4460, 5380, 7136, 8608, 8920, 10760, 14272, 17216, 17840, 21520, 35680, 43040, 59987, 71360, 86080, 119974, 239948, 299935, 479896, 599870, 959792, 1199740, 1919584, 2399480, 3839168, 4798960, 9597920, 19195840]

約数ペア:

[(1, 19195840), (2, 9597920), (4, 4798960), (5, 3839168), (8, 2399480), (10, 1919584), (16, 1199740), (20, 959792), (32, 599870), (40, 479896), (64, 299935), (80, 239948), (160, 119974), (223, 86080), (269, 71360), (320, 59987), (446, 43040), (538, 35680), (892, 21520), (1076, 17840), (1115, 17216), (1345, 14272), (1784, 10760), (2152, 8920), (2230, 8608), (2690, 7136), (3568, 5380), (4304, 4460)]