19889170257

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{449}}^1\times {\mathrm{7499}}^1$

素因数の和:8141

約数の個数: 32

約数和(自身を含む): 29160000000

約数和(自身を除く): 9270829743

約数列:

[1, 3, 11, 33, 179, 449, 537, 1347, 1969, 4939, 5907, 7499, 14817, 22497, 80371, 82489, 241113, 247467, 884081, 1342321, 2652243, 3367051, 4026963, 10101153, 14765531, 37037561, 44296593, 111112683, 602702129, 1808106387, 6629723419, 19889170257]

約数ペア:

[(1, 19889170257), (3, 6629723419), (11, 1808106387), (33, 602702129), (179, 111112683), (449, 44296593), (537, 37037561), (1347, 14765531), (1969, 10101153), (4939, 4026963), (5907, 3367051), (7499, 2652243), (14817, 1342321), (22497, 884081), (80371, 247467), (82489, 241113)]