19901248

素因数分解:

$2^6\times {\mathrm{103}}^1\times {\mathrm{3019}}^1$

素因数の和:3134

約数の個数: 28

約数和(自身を含む): 39888160

約数和(自身を除く): 19986912

約数列:

[1, 2, 4, 8, 16, 32, 64, 103, 206, 412, 824, 1648, 3019, 3296, 6038, 6592, 12076, 24152, 48304, 96608, 193216, 310957, 621914, 1243828, 2487656, 4975312, 9950624, 19901248]

約数ペア:

[(1, 19901248), (2, 9950624), (4, 4975312), (8, 2487656), (16, 1243828), (32, 621914), (64, 310957), (103, 193216), (206, 96608), (412, 48304), (824, 24152), (1648, 12076), (3019, 6592), (3296, 6038)]