18198542

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{5381}}^1$

素因数の和:5491

約数の個数: 16

約数和(自身を含む): 29062800

約数和(自身を除く): 10864258

約数列:

[1, 2, 19, 38, 89, 178, 1691, 3382, 5381, 10762, 102239, 204478, 478909, 957818, 9099271, 18198542]

約数ペア:

[(1, 18198542), (2, 9099271), (19, 957818), (38, 478909), (89, 204478), (178, 102239), (1691, 10762), (3382, 5381)]