19280884390

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{258353}}^1$

素因数の和:258816

約数の個数: 32

約数和(自身を含む): 36830946240

約数和(自身を除く): 17550061850

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 439, 878, 2195, 4390, 7463, 14926, 37315, 74630, 258353, 516706, 1291765, 2583530, 4392001, 8784002, 21960005, 43920010, 113416967, 226833934, 567084835, 1134169670, 1928088439, 3856176878, 9640442195, 19280884390]

約数ペア:

[(1, 19280884390), (2, 9640442195), (5, 3856176878), (10, 1928088439), (17, 1134169670), (34, 567084835), (85, 226833934), (170, 113416967), (439, 43920010), (878, 21960005), (2195, 8784002), (4390, 4392001), (7463, 2583530), (14926, 1291765), (37315, 516706), (74630, 258353)]