19210724

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{571}}^1\times {\mathrm{647}}^1$

素因数の和:1235

約数の個数: 24

約数和(自身を含む): 36324288

約数和(自身を除く): 17113564

約数列:

[1, 2, 4, 13, 26, 52, 571, 647, 1142, 1294, 2284, 2588, 7423, 8411, 14846, 16822, 29692, 33644, 369437, 738874, 1477748, 4802681, 9605362, 19210724]

約数ペア:

[(1, 19210724), (2, 9605362), (4, 4802681), (13, 1477748), (26, 738874), (52, 369437), (571, 33644), (647, 29692), (1142, 16822), (1294, 14846), (2284, 8411), (2588, 7423)]