18940112

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{62303}}^1$

素因数の和:62330

約数の個数: 20

約数和(自身を含む): 38628480

約数和(自身を除く): 19688368

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 62303, 124606, 249212, 498424, 996848, 1183757, 2367514, 4735028, 9470056, 18940112]

約数ペア:

[(1, 18940112), (2, 9470056), (4, 4735028), (8, 2367514), (16, 1183757), (19, 996848), (38, 498424), (76, 249212), (152, 124606), (304, 62303)]