19300785

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3911}}^1$

素因数の和:3973

約数の個数: 32

約数和(自身を含む): 36052992

約数和(自身を除く): 16752207

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 105, 141, 235, 329, 705, 987, 1645, 3911, 4935, 11733, 19555, 27377, 58665, 82131, 136885, 183817, 410655, 551451, 919085, 1286719, 2757255, 3860157, 6433595, 19300785]

約数ペア:

[(1, 19300785), (3, 6433595), (5, 3860157), (7, 2757255), (15, 1286719), (21, 919085), (35, 551451), (47, 410655), (105, 183817), (141, 136885), (235, 82131), (329, 58665), (705, 27377), (987, 19555), (1645, 11733), (3911, 4935)]