18888931670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1201}}^1\times {\mathrm{2707}}^1$

素因数の和:4005

約数の個数: 64

約数和(自身を含む): 39372673536

約数和(自身を除く): 20483741866

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 83, 166, 415, 581, 830, 1162, 1201, 2402, 2707, 2905, 5414, 5810, 6005, 8407, 12010, 13535, 16814, 18949, 27070, 37898, 42035, 84070, 94745, 99683, 189490, 199366, 224681, 449362, 498415, 697781, 996830, 1123405, 1395562, 1572767, 2246810, 3145534, 3251107, 3488905, 6502214, 6977810, 7863835, 15727670, 16255535, 22757749, 32511070, 45515498, 113788745, 227577490, 269841881, 539683762, 1349209405, 1888893167, 2698418810, 3777786334, 9444465835, 18888931670]

約数ペア:

[(1, 18888931670), (2, 9444465835), (5, 3777786334), (7, 2698418810), (10, 1888893167), (14, 1349209405), (35, 539683762), (70, 269841881), (83, 227577490), (166, 113788745), (415, 45515498), (581, 32511070), (830, 22757749), (1162, 16255535), (1201, 15727670), (2402, 7863835), (2707, 6977810), (2905, 6502214), (5414, 3488905), (5810, 3251107), (6005, 3145534), (8407, 2246810), (12010, 1572767), (13535, 1395562), (16814, 1123405), (18949, 996830), (27070, 697781), (37898, 498415), (42035, 449362), (84070, 224681), (94745, 199366), (99683, 189490)]