18816670

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{283}}^1$

素因数の和:460

約数の個数: 32

約数和(自身を含む): 34863840

約数和(自身を除く): 16047170

約数列:

[1, 2, 5, 10, 61, 109, 122, 218, 283, 305, 545, 566, 610, 1090, 1415, 2830, 6649, 13298, 17263, 30847, 33245, 34526, 61694, 66490, 86315, 154235, 172630, 308470, 1881667, 3763334, 9408335, 18816670]

約数ペア:

[(1, 18816670), (2, 9408335), (5, 3763334), (10, 1881667), (61, 308470), (109, 172630), (122, 154235), (218, 86315), (283, 66490), (305, 61694), (545, 34526), (566, 33245), (610, 30847), (1090, 17263), (1415, 13298), (2830, 6649)]