1919720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4363}}^1$

素因数の和:4385

約数の個数: 32

約数和(自身を含む): 4713120

約数和(自身を除く): 2793400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 4363, 8726, 17452, 21815, 34904, 43630, 47993, 87260, 95986, 174520, 191972, 239965, 383944, 479930, 959860, 1919720]

約数ペア:

[(1, 1919720), (2, 959860), (4, 479930), (5, 383944), (8, 239965), (10, 191972), (11, 174520), (20, 95986), (22, 87260), (40, 47993), (44, 43630), (55, 34904), (88, 21815), (110, 17452), (220, 8726), (440, 4363)]