18681078

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{6473}}^1$

素因数の和:6528

約数の個数: 32

約数和(自身を含む): 41330016

約数和(自身を除く): 22648938

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 111, 222, 481, 962, 1443, 2886, 6473, 12946, 19419, 38838, 84149, 168298, 239501, 252447, 479002, 504894, 718503, 1437006, 3113513, 6227026, 9340539, 18681078]

約数ペア:

[(1, 18681078), (2, 9340539), (3, 6227026), (6, 3113513), (13, 1437006), (26, 718503), (37, 504894), (39, 479002), (74, 252447), (78, 239501), (111, 168298), (222, 84149), (481, 38838), (962, 19419), (1443, 12946), (2886, 6473)]