18817484

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 39137280

約数和(自身を除く): 20319796

約数列:

[1, 2, 4, 7, 14, 28, 47, 79, 94, 158, 181, 188, 316, 329, 362, 553, 658, 724, 1106, 1267, 1316, 2212, 2534, 3713, 5068, 7426, 8507, 14299, 14852, 17014, 25991, 28598, 34028, 51982, 57196, 59549, 100093, 103964, 119098, 200186, 238196, 400372, 672053, 1344106, 2688212, 4704371, 9408742, 18817484]

約数ペア:

[(1, 18817484), (2, 9408742), (4, 4704371), (7, 2688212), (14, 1344106), (28, 672053), (47, 400372), (79, 238196), (94, 200186), (158, 119098), (181, 103964), (188, 100093), (316, 59549), (329, 57196), (362, 51982), (553, 34028), (658, 28598), (724, 25991), (1106, 17014), (1267, 14852), (1316, 14299), (2212, 8507), (2534, 7426), (3713, 5068)]