18904088

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 43296000

約数和(自身を除く): 24391912

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 109, 133, 152, 163, 218, 266, 326, 436, 532, 652, 763, 872, 1064, 1141, 1304, 1526, 2071, 2282, 3052, 3097, 4142, 4564, 6104, 6194, 8284, 9128, 12388, 14497, 16568, 17767, 21679, 24776, 28994, 35534, 43358, 57988, 71068, 86716, 115976, 124369, 142136, 173432, 248738, 337573, 497476, 675146, 994952, 1350292, 2363011, 2700584, 4726022, 9452044, 18904088]

約数ペア:

[(1, 18904088), (2, 9452044), (4, 4726022), (7, 2700584), (8, 2363011), (14, 1350292), (19, 994952), (28, 675146), (38, 497476), (56, 337573), (76, 248738), (109, 173432), (133, 142136), (152, 124369), (163, 115976), (218, 86716), (266, 71068), (326, 57988), (436, 43358), (532, 35534), (652, 28994), (763, 24776), (872, 21679), (1064, 17767), (1141, 16568), (1304, 14497), (1526, 12388), (2071, 9128), (2282, 8284), (3052, 6194), (3097, 6104), (4142, 4564)]