18593770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{509}}^1$

素因数の和:810

約数の個数: 32

約数和(自身を含む): 36242640

約数和(自身を除く): 17648870

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 281, 509, 562, 1018, 1405, 2545, 2810, 3653, 5090, 6617, 7306, 13234, 18265, 33085, 36530, 66170, 143029, 286058, 715145, 1430290, 1859377, 3718754, 9296885, 18593770]

約数ペア:

[(1, 18593770), (2, 9296885), (5, 3718754), (10, 1859377), (13, 1430290), (26, 715145), (65, 286058), (130, 143029), (281, 66170), (509, 36530), (562, 33085), (1018, 18265), (1405, 13234), (2545, 7306), (2810, 6617), (3653, 5090)]