18060868

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1997}}^1$

素因数の和:2044

約数の個数: 48

約数和(自身を含む): 40279680

約数和(自身を除く): 22218812

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 34, 38, 68, 76, 119, 133, 238, 266, 323, 476, 532, 646, 1292, 1997, 2261, 3994, 4522, 7988, 9044, 13979, 27958, 33949, 37943, 55916, 67898, 75886, 135796, 151772, 237643, 265601, 475286, 531202, 645031, 950572, 1062404, 1290062, 2580124, 4515217, 9030434, 18060868]

約数ペア:

[(1, 18060868), (2, 9030434), (4, 4515217), (7, 2580124), (14, 1290062), (17, 1062404), (19, 950572), (28, 645031), (34, 531202), (38, 475286), (68, 265601), (76, 237643), (119, 151772), (133, 135796), (238, 75886), (266, 67898), (323, 55916), (476, 37943), (532, 33949), (646, 27958), (1292, 13979), (1997, 9044), (2261, 7988), (3994, 4522)]