19853127

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1$

素因数の和:237

約数の個数: 64

約数和(自身を含む): 36771840

約数和(自身を除く): 16918713

約数列:

[1, 3, 7, 9, 17, 21, 27, 37, 51, 63, 111, 119, 153, 167, 189, 259, 333, 357, 459, 501, 629, 777, 999, 1071, 1169, 1503, 1887, 2331, 2839, 3213, 3507, 4403, 4509, 5661, 6179, 6993, 8517, 10521, 13209, 16983, 18537, 19873, 25551, 31563, 39627, 43253, 55611, 59619, 76653, 105043, 118881, 129759, 166833, 178857, 315129, 389277, 536571, 735301, 945387, 1167831, 2205903, 2836161, 6617709, 19853127]

約数ペア:

[(1, 19853127), (3, 6617709), (7, 2836161), (9, 2205903), (17, 1167831), (21, 945387), (27, 735301), (37, 536571), (51, 389277), (63, 315129), (111, 178857), (119, 166833), (153, 129759), (167, 118881), (189, 105043), (259, 76653), (333, 59619), (357, 55611), (459, 43253), (501, 39627), (629, 31563), (777, 25551), (999, 19873), (1071, 18537), (1169, 16983), (1503, 13209), (1887, 10521), (2331, 8517), (2839, 6993), (3213, 6179), (3507, 5661), (4403, 4509)]