18420208

素因数分解:

$2^4\times {\mathrm{239}}^1\times {\mathrm{4817}}^1$

素因数の和:5064

約数の個数: 20

約数和(自身を含む): 35845920

約数和(自身を除く): 17425712

約数列:

[1, 2, 4, 8, 16, 239, 478, 956, 1912, 3824, 4817, 9634, 19268, 38536, 77072, 1151263, 2302526, 4605052, 9210104, 18420208]

約数ペア:

[(1, 18420208), (2, 9210104), (4, 4605052), (8, 2302526), (16, 1151263), (239, 77072), (478, 38536), (956, 19268), (1912, 9634), (3824, 4817)]