19184240

素因数分解:

$2^4\times 5^1\times {\mathrm{239803}}^1$

素因数の和:239816

約数の個数: 20

約数和(自身を含む): 44603544

約数和(自身を除く): 25419304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239803, 479606, 959212, 1199015, 1918424, 2398030, 3836848, 4796060, 9592120, 19184240]

約数ペア:

[(1, 19184240), (2, 9592120), (4, 4796060), (5, 3836848), (8, 2398030), (10, 1918424), (16, 1199015), (20, 959212), (40, 479606), (80, 239803)]