19438528072

素因数分解:

$2^3\times {\mathrm{257}}^1\times {\mathrm{1123}}^1\times {\mathrm{8419}}^1$

素因数の和:9805

約数の個数: 32

約数和(自身を含む): 36625989600

約数和(自身を除く): 17187461528

約数列:

[1, 2, 4, 8, 257, 514, 1028, 1123, 2056, 2246, 4492, 8419, 8984, 16838, 33676, 67352, 288611, 577222, 1154444, 2163683, 2308888, 4327366, 8654732, 9454537, 17309464, 18909074, 37818148, 75636296, 2429816009, 4859632018, 9719264036, 19438528072]

約数ペア:

[(1, 19438528072), (2, 9719264036), (4, 4859632018), (8, 2429816009), (257, 75636296), (514, 37818148), (1028, 18909074), (1123, 17309464), (2056, 9454537), (2246, 8654732), (4492, 4327366), (8419, 2308888), (8984, 2163683), (16838, 1154444), (33676, 577222), (67352, 288611)]