18787228

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{3853}}^1$

素因数の和:3933

約数の個数: 24

約数和(自身を含む): 34963488

約数和(自身を除く): 16176260

約数列:

[1, 2, 4, 23, 46, 53, 92, 106, 212, 1219, 2438, 3853, 4876, 7706, 15412, 88619, 177238, 204209, 354476, 408418, 816836, 4696807, 9393614, 18787228]

約数ペア:

[(1, 18787228), (2, 9393614), (4, 4696807), (23, 816836), (46, 408418), (53, 354476), (92, 204209), (106, 177238), (212, 88619), (1219, 15412), (2438, 7706), (3853, 4876)]