19385390

素因数分解:

$2^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{8693}}^1$

素因数の和:8923

約数の個数: 16

約数和(自身を含む): 35054208

約数和(自身を除く): 15668818

約数列:

[1, 2, 5, 10, 223, 446, 1115, 2230, 8693, 17386, 43465, 86930, 1938539, 3877078, 9692695, 19385390]

約数ペア:

[(1, 19385390), (2, 9692695), (5, 3877078), (10, 1938539), (223, 86930), (446, 43465), (1115, 17386), (2230, 8693)]