18359704

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 40227840

約数和(自身を除く): 21868136

約数列:

[1, 2, 4, 8, 11, 22, 23, 44, 46, 47, 88, 92, 94, 184, 188, 193, 253, 376, 386, 506, 517, 772, 1012, 1034, 1081, 1544, 2024, 2068, 2123, 2162, 4136, 4246, 4324, 4439, 8492, 8648, 8878, 9071, 11891, 16984, 17756, 18142, 23782, 35512, 36284, 47564, 48829, 72568, 95128, 97658, 99781, 195316, 199562, 208633, 390632, 399124, 417266, 798248, 834532, 1669064, 2294963, 4589926, 9179852, 18359704]

約数ペア:

[(1, 18359704), (2, 9179852), (4, 4589926), (8, 2294963), (11, 1669064), (22, 834532), (23, 798248), (44, 417266), (46, 399124), (47, 390632), (88, 208633), (92, 199562), (94, 195316), (184, 99781), (188, 97658), (193, 95128), (253, 72568), (376, 48829), (386, 47564), (506, 36284), (517, 35512), (772, 23782), (1012, 18142), (1034, 17756), (1081, 16984), (1544, 11891), (2024, 9071), (2068, 8878), (2123, 8648), (2162, 8492), (4136, 4439), (4246, 4324)]