19381930

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^2\times {\mathrm{1153}}^1$

素因数の和:1242

約数の個数: 24

約数和(自身を含む): 35790156

約数和(自身を除く): 16408226

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 1153, 1681, 2306, 3362, 5765, 8405, 11530, 16810, 47273, 94546, 236365, 472730, 1938193, 3876386, 9690965, 19381930]

約数ペア:

[(1, 19381930), (2, 9690965), (5, 3876386), (10, 1938193), (41, 472730), (82, 236365), (205, 94546), (410, 47273), (1153, 16810), (1681, 11530), (2306, 8405), (3362, 5765)]