19193986

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{281}}^1$

素因数の和:355

約数の個数: 48

約数和(自身を含む): 36455832

約数和(自身を除く): 17261846

約数列:

[1, 2, 7, 14, 17, 34, 41, 49, 82, 98, 119, 238, 281, 287, 562, 574, 697, 833, 1394, 1666, 1967, 2009, 3934, 4018, 4777, 4879, 9554, 9758, 11521, 13769, 23042, 27538, 33439, 34153, 66878, 68306, 80647, 161294, 195857, 234073, 391714, 468146, 564529, 1129058, 1370999, 2741998, 9596993, 19193986]

約数ペア:

[(1, 19193986), (2, 9596993), (7, 2741998), (14, 1370999), (17, 1129058), (34, 564529), (41, 468146), (49, 391714), (82, 234073), (98, 195857), (119, 161294), (238, 80647), (281, 68306), (287, 66878), (562, 34153), (574, 33439), (697, 27538), (833, 23042), (1394, 13769), (1666, 11521), (1967, 9758), (2009, 9554), (3934, 4879), (4018, 4777)]