19684888

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{911}}^1$

素因数の和:1027

約数の個数: 32

約数和(自身を含む): 38468160

約数和(自身を除く): 18783272

約数列:

[1, 2, 4, 8, 37, 73, 74, 146, 148, 292, 296, 584, 911, 1822, 2701, 3644, 5402, 7288, 10804, 21608, 33707, 66503, 67414, 133006, 134828, 266012, 269656, 532024, 2460611, 4921222, 9842444, 19684888]

約数ペア:

[(1, 19684888), (2, 9842444), (4, 4921222), (8, 2460611), (37, 532024), (73, 269656), (74, 266012), (146, 134828), (148, 133006), (292, 67414), (296, 66503), (584, 33707), (911, 21608), (1822, 10804), (2701, 7288), (3644, 5402)]