18509916

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{887}}^1$

素因数の和:978

約数の個数: 48

約数和(自身を含む): 45351936

約数和(自身を除く): 26842020

約数列:

[1, 2, 3, 4, 6, 12, 37, 47, 74, 94, 111, 141, 148, 188, 222, 282, 444, 564, 887, 1739, 1774, 2661, 3478, 3548, 5217, 5322, 6956, 10434, 10644, 20868, 32819, 41689, 65638, 83378, 98457, 125067, 131276, 166756, 196914, 250134, 393828, 500268, 1542493, 3084986, 4627479, 6169972, 9254958, 18509916]

約数ペア:

[(1, 18509916), (2, 9254958), (3, 6169972), (4, 4627479), (6, 3084986), (12, 1542493), (37, 500268), (47, 393828), (74, 250134), (94, 196914), (111, 166756), (141, 131276), (148, 125067), (188, 98457), (222, 83378), (282, 65638), (444, 41689), (564, 32819), (887, 20868), (1739, 10644), (1774, 10434), (2661, 6956), (3478, 5322), (3548, 5217)]