19969788

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{1097}}^1$

素因数の和:1182

約数の個数: 48

約数和(自身を含む): 49067424

約数和(自身を除く): 29097636

約数列:

[1, 2, 3, 4, 6, 12, 37, 41, 74, 82, 111, 123, 148, 164, 222, 246, 444, 492, 1097, 1517, 2194, 3034, 3291, 4388, 4551, 6068, 6582, 9102, 13164, 18204, 40589, 44977, 81178, 89954, 121767, 134931, 162356, 179908, 243534, 269862, 487068, 539724, 1664149, 3328298, 4992447, 6656596, 9984894, 19969788]

約数ペア:

[(1, 19969788), (2, 9984894), (3, 6656596), (4, 4992447), (6, 3328298), (12, 1664149), (37, 539724), (41, 487068), (74, 269862), (82, 243534), (111, 179908), (123, 162356), (148, 134931), (164, 121767), (222, 89954), (246, 81178), (444, 44977), (492, 40589), (1097, 18204), (1517, 13164), (2194, 9102), (3034, 6582), (3291, 6068), (4388, 4551)]