18804478

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{5309}}^1$

素因数の和:5352

約数の個数: 32

約数和(自身を含む): 36702720

約数和(自身を除く): 17898242

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 77, 154, 161, 253, 322, 506, 1771, 3542, 5309, 10618, 37163, 58399, 74326, 116798, 122107, 244214, 408793, 817586, 854749, 1343177, 1709498, 2686354, 9402239, 18804478]

約数ペア:

[(1, 18804478), (2, 9402239), (7, 2686354), (11, 1709498), (14, 1343177), (22, 854749), (23, 817586), (46, 408793), (77, 244214), (154, 122107), (161, 116798), (253, 74326), (322, 58399), (506, 37163), (1771, 10618), (3542, 5309)]