19114780

素因数分解:

$2^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{2281}}^1$

素因数の和:2709

約数の個数: 24

約数和(自身を含む): 40254480

約数和(自身を除く): 21139700

約数列:

[1, 2, 4, 5, 10, 20, 419, 838, 1676, 2095, 2281, 4190, 4562, 8380, 9124, 11405, 22810, 45620, 955739, 1911478, 3822956, 4778695, 9557390, 19114780]

約数ペア:

[(1, 19114780), (2, 9557390), (4, 4778695), (5, 3822956), (10, 1911478), (20, 955739), (419, 45620), (838, 22810), (1676, 11405), (2095, 9124), (2281, 8380), (4190, 4562)]