219778852

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{47407}}^1$

素因数の和:47491

約数の個数: 24

約数和(自身を含む): 411501440

約数和(自身を除く): 191722588

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 244, 1159, 2318, 4636, 47407, 94814, 189628, 900733, 1801466, 2891827, 3602932, 5783654, 11567308, 54944713, 109889426, 219778852]

約数ペア:

[(1, 219778852), (2, 109889426), (4, 54944713), (19, 11567308), (38, 5783654), (61, 3602932), (76, 2891827), (122, 1801466), (244, 900733), (1159, 189628), (2318, 94814), (4636, 47407)]