19295272

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{337}}^1\times {\mathrm{421}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 38511720

約数和(自身を除く): 19216448

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 337, 421, 674, 842, 1348, 1684, 2696, 3368, 5729, 7157, 11458, 14314, 22916, 28628, 45832, 57256, 141877, 283754, 567508, 1135016, 2411909, 4823818, 9647636, 19295272]

約数ペア:

[(1, 19295272), (2, 9647636), (4, 4823818), (8, 2411909), (17, 1135016), (34, 567508), (68, 283754), (136, 141877), (337, 57256), (421, 45832), (674, 28628), (842, 22916), (1348, 14314), (1684, 11458), (2696, 7157), (3368, 5729)]