18664920001

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4769977}}^1$

素因数の和:4770040

約数の個数: 16

約数和(自身を含む): 23506451584

約数和(自身を除く): 4841531583

約数列:

[1, 7, 13, 43, 91, 301, 559, 3913, 4769977, 33389839, 62009701, 205109011, 434067907, 1435763077, 2666417143, 18664920001]

約数ペア:

[(1, 18664920001), (7, 2666417143), (13, 1435763077), (43, 434067907), (91, 205109011), (301, 62009701), (559, 33389839), (3913, 4769977)]