18638810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{373}}^1$

素因数の和:662

約数の個数: 32

約数和(自身を含む): 35544960

約数和(自身を除く): 16906150

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 263, 373, 526, 746, 1315, 1865, 2630, 3730, 4997, 7087, 9994, 14174, 24985, 35435, 49970, 70870, 98099, 196198, 490495, 980990, 1863881, 3727762, 9319405, 18638810]

約数ペア:

[(1, 18638810), (2, 9319405), (5, 3727762), (10, 1863881), (19, 980990), (38, 490495), (95, 196198), (190, 98099), (263, 70870), (373, 49970), (526, 35435), (746, 24985), (1315, 14174), (1865, 9994), (2630, 7087), (3730, 4997)]