19014760820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2010017}}^1$

素因数の和:2010080

約数の個数: 48

約数和(自身を含む): 44574159168

約数和(自身を除く): 25559398348

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 4730, 9460, 2010017, 4020034, 8040068, 10050085, 20100170, 22110187, 40200340, 44220374, 86430731, 88440748, 110550935, 172861462, 221101870, 345722924, 432153655, 442203740, 864307310, 950738041, 1728614620, 1901476082, 3802952164, 4753690205, 9507380410, 19014760820]

約数ペア:

[(1, 19014760820), (2, 9507380410), (4, 4753690205), (5, 3802952164), (10, 1901476082), (11, 1728614620), (20, 950738041), (22, 864307310), (43, 442203740), (44, 432153655), (55, 345722924), (86, 221101870), (110, 172861462), (172, 110550935), (215, 88440748), (220, 86430731), (430, 44220374), (473, 40200340), (860, 22110187), (946, 20100170), (1892, 10050085), (2365, 8040068), (4730, 4020034), (9460, 2010017)]