18231795760

素因数分解:

$2^4\times 5^1\times {\mathrm{227897447}}^1$

素因数の和:227897460

約数の個数: 20

約数和(自身を含む): 42388925328

約数和(自身を除く): 24157129568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 227897447, 455794894, 911589788, 1139487235, 1823179576, 2278974470, 3646359152, 4557948940, 9115897880, 18231795760]

約数ペア:

[(1, 18231795760), (2, 9115897880), (4, 4557948940), (5, 3646359152), (8, 2278974470), (10, 1823179576), (16, 1139487235), (20, 911589788), (40, 455794894), (80, 227897447)]