18608920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{42293}}^1$

素因数の和:42315

約数の個数: 32

約数和(自身を含む): 45677520

約数和(自身を除く): 27068600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 42293, 84586, 169172, 211465, 338344, 422930, 465223, 845860, 930446, 1691720, 1860892, 2326115, 3721784, 4652230, 9304460, 18608920]

約数ペア:

[(1, 18608920), (2, 9304460), (4, 4652230), (5, 3721784), (8, 2326115), (10, 1860892), (11, 1691720), (20, 930446), (22, 845860), (40, 465223), (44, 422930), (55, 338344), (88, 211465), (110, 169172), (220, 84586), (440, 42293)]