19982809908

素因数分解:

$2^2\times 3^2\times {\mathrm{157}}^1\times {\mathrm{3535529}}^1$

素因数の和:3535696

約数の個数: 36

約数和(自身を含む): 50833850340

約数和(自身を除く): 30851040432

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 157, 314, 471, 628, 942, 1413, 1884, 2826, 5652, 3535529, 7071058, 10606587, 14142116, 21213174, 31819761, 42426348, 63639522, 127279044, 555078053, 1110156106, 1665234159, 2220312212, 3330468318, 4995702477, 6660936636, 9991404954, 19982809908]

約数ペア:

[(1, 19982809908), (2, 9991404954), (3, 6660936636), (4, 4995702477), (6, 3330468318), (9, 2220312212), (12, 1665234159), (18, 1110156106), (36, 555078053), (157, 127279044), (314, 63639522), (471, 42426348), (628, 31819761), (942, 21213174), (1413, 14142116), (1884, 10606587), (2826, 7071058), (5652, 3535529)]