19868652010

素因数分解:

$2^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{7730993}}^1$

素因数の和:7731257

約数の個数: 16

約数和(自身を含む): 35902736136

約数和(自身を除く): 16034084126

約数列:

[1, 2, 5, 10, 257, 514, 1285, 2570, 7730993, 15461986, 38654965, 77309930, 1986865201, 3973730402, 9934326005, 19868652010]

約数ペア:

[(1, 19868652010), (2, 9934326005), (5, 3973730402), (10, 1986865201), (257, 77309930), (514, 38654965), (1285, 15461986), (2570, 7730993)]