19708038

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2203}}^1$

素因数の和:2289

約数の個数: 48

約数和(自身を含む): 49510656

約数和(自身を除く): 29802618

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 71, 126, 142, 213, 426, 497, 639, 994, 1278, 1491, 2203, 2982, 4406, 4473, 6609, 8946, 13218, 15421, 19827, 30842, 39654, 46263, 92526, 138789, 156413, 277578, 312826, 469239, 938478, 1094891, 1407717, 2189782, 2815434, 3284673, 6569346, 9854019, 19708038]

約数ペア:

[(1, 19708038), (2, 9854019), (3, 6569346), (6, 3284673), (7, 2815434), (9, 2189782), (14, 1407717), (18, 1094891), (21, 938478), (42, 469239), (63, 312826), (71, 277578), (126, 156413), (142, 138789), (213, 92526), (426, 46263), (497, 39654), (639, 30842), (994, 19827), (1278, 15421), (1491, 13218), (2203, 8946), (2982, 6609), (4406, 4473)]