19721196

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{49801}}^1$

素因数の和:49822

約数の個数: 36

約数和(自身を含む): 54383784

約数和(自身を除く): 34662588

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 49801, 99602, 149403, 199204, 298806, 448209, 547811, 597612, 896418, 1095622, 1643433, 1792836, 2191244, 3286866, 4930299, 6573732, 9860598, 19721196]

約数ペア:

[(1, 19721196), (2, 9860598), (3, 6573732), (4, 4930299), (6, 3286866), (9, 2191244), (11, 1792836), (12, 1643433), (18, 1095622), (22, 896418), (33, 597612), (36, 547811), (44, 448209), (66, 298806), (99, 199204), (132, 149403), (198, 99602), (396, 49801)]