18998936

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{1033}}^1$

素因数の和:1080

約数の個数: 48

約数和(自身を含む): 41256600

約数和(自身を除く): 22257664

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 121, 152, 209, 242, 418, 484, 836, 968, 1033, 1672, 2066, 2299, 4132, 4598, 8264, 9196, 11363, 18392, 19627, 22726, 39254, 45452, 78508, 90904, 124993, 157016, 215897, 249986, 431794, 499972, 863588, 999944, 1727176, 2374867, 4749734, 9499468, 18998936]

約数ペア:

[(1, 18998936), (2, 9499468), (4, 4749734), (8, 2374867), (11, 1727176), (19, 999944), (22, 863588), (38, 499972), (44, 431794), (76, 249986), (88, 215897), (121, 157016), (152, 124993), (209, 90904), (242, 78508), (418, 45452), (484, 39254), (836, 22726), (968, 19627), (1033, 18392), (1672, 11363), (2066, 9196), (2299, 8264), (4132, 4598)]