19968684

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{38699}}^1$

素因数の和:38749

約数の個数: 24

約数和(自身を含む): 47678400

約数和(自身を除く): 27709716

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 38699, 77398, 116097, 154796, 232194, 464388, 1664057, 3328114, 4992171, 6656228, 9984342, 19968684]

約数ペア:

[(1, 19968684), (2, 9984342), (3, 6656228), (4, 4992171), (6, 3328114), (12, 1664057), (43, 464388), (86, 232194), (129, 154796), (172, 116097), (258, 77398), (516, 38699)]