18779201

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{877}}^1$

素因数の和:933

約数の個数: 24

約数和(自身を含む): 24022080

約数和(自身を除く): 5242879

約数列:

[1, 7, 19, 23, 49, 133, 161, 437, 877, 931, 1127, 3059, 6139, 16663, 20171, 21413, 42973, 116641, 141197, 383249, 816487, 988379, 2682743, 18779201]

約数ペア:

[(1, 18779201), (7, 2682743), (19, 988379), (23, 816487), (49, 383249), (133, 141197), (161, 116641), (437, 42973), (877, 21413), (931, 20171), (1127, 16663), (3059, 6139)]