18079850

素因数分解:

$2^1\times 5^2\times {\mathrm{419}}^1\times {\mathrm{863}}^1$

素因数の和:1294

約数の個数: 24

約数和(自身を含む): 33747840

約数和(自身を除く): 15667990

約数列:

[1, 2, 5, 10, 25, 50, 419, 838, 863, 1726, 2095, 4190, 4315, 8630, 10475, 20950, 21575, 43150, 361597, 723194, 1807985, 3615970, 9039925, 18079850]

約数ペア:

[(1, 18079850), (2, 9039925), (5, 3615970), (10, 1807985), (25, 723194), (50, 361597), (419, 43150), (838, 21575), (863, 20950), (1726, 10475), (2095, 8630), (4190, 4315)]