18882019972

素因数分解:

$2^2\times {\mathrm{409}}^1\times {\mathrm{1321}}^1\times {\mathrm{8737}}^1$

素因数の和:10471

約数の個数: 24

約数和(自身を含む): 33153195320

約数和(自身を除く): 14271175348

約数列:

[1, 2, 4, 409, 818, 1321, 1636, 2642, 5284, 8737, 17474, 34948, 540289, 1080578, 2161156, 3573433, 7146866, 11541577, 14293732, 23083154, 46166308, 4720504993, 9441009986, 18882019972]

約数ペア:

[(1, 18882019972), (2, 9441009986), (4, 4720504993), (409, 46166308), (818, 23083154), (1321, 14293732), (1636, 11541577), (2642, 7146866), (5284, 3573433), (8737, 2161156), (17474, 1080578), (34948, 540289)]