18519376

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{60919}}^1$

素因数の和:60946

約数の個数: 20

約数和(自身を含む): 37770400

約数和(自身を除く): 19251024

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 60919, 121838, 243676, 487352, 974704, 1157461, 2314922, 4629844, 9259688, 18519376]

約数ペア:

[(1, 18519376), (2, 9259688), (4, 4629844), (8, 2314922), (16, 1157461), (19, 974704), (38, 487352), (76, 243676), (152, 121838), (304, 60919)]