19473080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{44257}}^1$

素因数の和:44279

約数の個数: 32

約数和(自身を含む): 47798640

約数和(自身を除く): 28325560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 44257, 88514, 177028, 221285, 354056, 442570, 486827, 885140, 973654, 1770280, 1947308, 2434135, 3894616, 4868270, 9736540, 19473080]

約数ペア:

[(1, 19473080), (2, 9736540), (4, 4868270), (5, 3894616), (8, 2434135), (10, 1947308), (11, 1770280), (20, 973654), (22, 885140), (40, 486827), (44, 442570), (55, 354056), (88, 221285), (110, 177028), (220, 88514), (440, 44257)]