18039945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{15619}}^1$

素因数の和:15645

約数の個数: 32

約数和(自身を含む): 35988480

約数和(自身を除く): 17948535

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 15619, 46857, 78095, 109333, 171809, 234285, 327999, 515427, 546665, 859045, 1202663, 1639995, 2577135, 3607989, 6013315, 18039945]

約数ペア:

[(1, 18039945), (3, 6013315), (5, 3607989), (7, 2577135), (11, 1639995), (15, 1202663), (21, 859045), (33, 546665), (35, 515427), (55, 327999), (77, 234285), (105, 171809), (165, 109333), (231, 78095), (385, 46857), (1155, 15619)]