18680337

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2383}}^1$

素因数の和:2469

約数の個数: 24

約数和(自身を含む): 29504384

約数和(自身を除く): 10824047

約数列:

[1, 3, 9, 13, 39, 67, 117, 201, 603, 871, 2383, 2613, 7149, 7839, 21447, 30979, 92937, 159661, 278811, 478983, 1436949, 2075593, 6226779, 18680337]

約数ペア:

[(1, 18680337), (3, 6226779), (9, 2075593), (13, 1436949), (39, 478983), (67, 278811), (117, 159661), (201, 92937), (603, 30979), (871, 21447), (2383, 7839), (2613, 7149)]