9819980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{16931}}^1$

素因数の和:16969

約数の個数: 24

約数和(自身を含む): 21334320

約数和(自身を除く): 11514340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 16931, 33862, 67724, 84655, 169310, 338620, 490999, 981998, 1963996, 2454995, 4909990, 9819980]

約数ペア:

[(1, 9819980), (2, 4909990), (4, 2454995), (5, 1963996), (10, 981998), (20, 490999), (29, 338620), (58, 169310), (116, 84655), (145, 67724), (290, 33862), (580, 16931)]