18389328020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1850033}}^1$

素因数の和:1850120

約数の個数: 48

約数和(自身を含む): 44756022528

約数和(自身を除く): 26366694508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 1850033, 3700066, 7400132, 9250165, 12950231, 18500330, 25900462, 37000660, 51800924, 64751155, 129502310, 131352343, 259004620, 262704686, 525409372, 656761715, 919466401, 1313523430, 1838932802, 2627046860, 3677865604, 4597332005, 9194664010, 18389328020]

約数ペア:

[(1, 18389328020), (2, 9194664010), (4, 4597332005), (5, 3677865604), (7, 2627046860), (10, 1838932802), (14, 1313523430), (20, 919466401), (28, 656761715), (35, 525409372), (70, 262704686), (71, 259004620), (140, 131352343), (142, 129502310), (284, 64751155), (355, 51800924), (497, 37000660), (710, 25900462), (994, 18500330), (1420, 12950231), (1988, 9250165), (2485, 7400132), (4970, 3700066), (9940, 1850033)]