19472860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{88513}}^1$

素因数の和:88533

約数の個数: 24

約数和(自身を含む): 44611056

約数和(自身を除く): 25138196

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 88513, 177026, 354052, 442565, 885130, 973643, 1770260, 1947286, 3894572, 4868215, 9736430, 19472860]

約数ペア:

[(1, 19472860), (2, 9736430), (4, 4868215), (5, 3894572), (10, 1947286), (11, 1770260), (20, 973643), (22, 885130), (44, 442565), (55, 354052), (110, 177026), (220, 88513)]