18972478

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{19087}}^1$

素因数の和:19167

約数の個数: 16

約数和(自身を含む): 32984064

約数和(自身を除く): 14011586

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 19087, 38174, 133609, 267218, 1355177, 2710354, 9486239, 18972478]

約数ペア:

[(1, 18972478), (2, 9486239), (7, 2710354), (14, 1355177), (71, 267218), (142, 133609), (497, 38174), (994, 19087)]