20191139930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{155316461}}^1$

素因数の和:155316481

約数の個数: 16

約数和(自身を含む): 39139748424

約数和(自身を除く): 18948608494

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 155316461, 310632922, 776582305, 1553164610, 2019113993, 4038227986, 10095569965, 20191139930]

約数ペア:

[(1, 20191139930), (2, 10095569965), (5, 4038227986), (10, 2019113993), (13, 1553164610), (26, 776582305), (65, 310632922), (130, 155316461)]