18133676

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 36960000

約数和(自身を除く): 18826324

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 109, 199, 209, 218, 398, 418, 436, 796, 836, 1199, 2071, 2189, 2398, 3781, 4142, 4378, 4796, 7562, 8284, 8756, 15124, 21691, 22781, 41591, 43382, 45562, 83182, 86764, 91124, 166364, 238601, 412129, 477202, 824258, 954404, 1648516, 4533419, 9066838, 18133676]

約数ペア:

[(1, 18133676), (2, 9066838), (4, 4533419), (11, 1648516), (19, 954404), (22, 824258), (38, 477202), (44, 412129), (76, 238601), (109, 166364), (199, 91124), (209, 86764), (218, 83182), (398, 45562), (418, 43382), (436, 41591), (796, 22781), (836, 21691), (1199, 15124), (2071, 8756), (2189, 8284), (2398, 7562), (3781, 4796), (4142, 4378)]