18424835

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{353}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 26405568

約数和(自身を除く): 7980733

約数列:

[1, 5, 11, 13, 55, 65, 73, 143, 353, 365, 715, 803, 949, 1765, 3883, 4015, 4589, 4745, 10439, 19415, 22945, 25769, 50479, 52195, 128845, 252395, 283459, 334997, 1417295, 1674985, 3684967, 18424835]

約数ペア:

[(1, 18424835), (5, 3684967), (11, 1674985), (13, 1417295), (55, 334997), (65, 283459), (73, 252395), (143, 128845), (353, 52195), (365, 50479), (715, 25769), (803, 22945), (949, 19415), (1765, 10439), (3883, 4745), (4015, 4589)]