19890340269

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{313}}^1\times {\mathrm{353}}^1\times {\mathrm{2609}}^1$

素因数の和:3301

約数の個数: 32

約数和(自身を含む): 27851247360

約数和(自身を除く): 7960907091

約数列:

[1, 3, 23, 69, 313, 353, 939, 1059, 2609, 7199, 7827, 8119, 21597, 24357, 60007, 110489, 180021, 331467, 816617, 920977, 2449851, 2541247, 2762931, 7623741, 18782191, 21182471, 56346573, 63547413, 288265801, 864797403, 6630113423, 19890340269]

約数ペア:

[(1, 19890340269), (3, 6630113423), (23, 864797403), (69, 288265801), (313, 63547413), (353, 56346573), (939, 21182471), (1059, 18782191), (2609, 7623741), (7199, 2762931), (7827, 2541247), (8119, 2449851), (21597, 920977), (24357, 816617), (60007, 331467), (110489, 180021)]