18985542

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{1087}}^1$

素因数の和:1204

約数の個数: 32

約数和(自身を含む): 39481344

約数和(自身を除く): 20495802

約数列:

[1, 2, 3, 6, 41, 71, 82, 123, 142, 213, 246, 426, 1087, 2174, 2911, 3261, 5822, 6522, 8733, 17466, 44567, 77177, 89134, 133701, 154354, 231531, 267402, 463062, 3164257, 6328514, 9492771, 18985542]

約数ペア:

[(1, 18985542), (2, 9492771), (3, 6328514), (6, 3164257), (41, 463062), (71, 267402), (82, 231531), (123, 154354), (142, 133701), (213, 89134), (246, 77177), (426, 44567), (1087, 17466), (2174, 8733), (2911, 6522), (3261, 5822)]