18870663

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{52859}}^1$

素因数の和:52886

約数の個数: 16

約数和(自身を含む): 30447360

約数和(自身を除く): 11576697

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 52859, 158577, 370013, 898603, 1110039, 2695809, 6290221, 18870663]

約数ペア:

[(1, 18870663), (3, 6290221), (7, 2695809), (17, 1110039), (21, 898603), (51, 370013), (119, 158577), (357, 52859)]