18190448

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1129}}^1$

素因数の和:1209

約数の個数: 40

約数和(自身を含む): 37832400

約数和(自身を除く): 19641952

約数列:

[1, 2, 4, 8, 16, 19, 38, 53, 76, 106, 152, 212, 304, 424, 848, 1007, 1129, 2014, 2258, 4028, 4516, 8056, 9032, 16112, 18064, 21451, 42902, 59837, 85804, 119674, 171608, 239348, 343216, 478696, 957392, 1136903, 2273806, 4547612, 9095224, 18190448]

約数ペア:

[(1, 18190448), (2, 9095224), (4, 4547612), (8, 2273806), (16, 1136903), (19, 957392), (38, 478696), (53, 343216), (76, 239348), (106, 171608), (152, 119674), (212, 85804), (304, 59837), (424, 42902), (848, 21451), (1007, 18064), (1129, 16112), (2014, 9032), (2258, 8056), (4028, 4516)]