19941215

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{18379}}^1$

素因数の和:18422

約数の個数: 16

約数和(自身を含む): 28231680

約数和(自身を除く): 8290465

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 18379, 91895, 128653, 569749, 643265, 2848745, 3988243, 19941215]

約数ペア:

[(1, 19941215), (5, 3988243), (7, 2848745), (31, 643265), (35, 569749), (155, 128653), (217, 91895), (1085, 18379)]