18965202053

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{643}}^1\times {\mathrm{743}}^1$

素因数の和:1553

約数の個数: 32

約数和(自身を含む): 22354569216

約数和(自身を除く): 3389367163

約数列:

[1, 7, 53, 107, 371, 643, 743, 749, 4501, 5201, 5671, 34079, 39379, 39697, 68801, 79501, 238553, 275653, 477749, 481607, 556507, 3344243, 3646453, 4213553, 25320697, 25525171, 29494871, 51119143, 177244879, 357834001, 2709314579, 18965202053]

約数ペア:

[(1, 18965202053), (7, 2709314579), (53, 357834001), (107, 177244879), (371, 51119143), (643, 29494871), (743, 25525171), (749, 25320697), (4501, 4213553), (5201, 3646453), (5671, 3344243), (34079, 556507), (39379, 481607), (39697, 477749), (68801, 275653), (79501, 238553)]