18651856

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1459}}^1$

素因数の和:1531

約数の個数: 40

約数和(自身を含む): 39104640

約数和(自身を除く): 20452784

約数列:

[1, 2, 4, 8, 16, 17, 34, 47, 68, 94, 136, 188, 272, 376, 752, 799, 1459, 1598, 2918, 3196, 5836, 6392, 11672, 12784, 23344, 24803, 49606, 68573, 99212, 137146, 198424, 274292, 396848, 548584, 1097168, 1165741, 2331482, 4662964, 9325928, 18651856]

約数ペア:

[(1, 18651856), (2, 9325928), (4, 4662964), (8, 2331482), (16, 1165741), (17, 1097168), (34, 548584), (47, 396848), (68, 274292), (94, 198424), (136, 137146), (188, 99212), (272, 68573), (376, 49606), (752, 24803), (799, 23344), (1459, 12784), (1598, 11672), (2918, 6392), (3196, 5836)]