18987006

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{137587}}^1$

素因数の和:137615

約数の個数: 16

約数和(自身を含む): 39625344

約数和(自身を除く): 20638338

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 137587, 275174, 412761, 825522, 3164501, 6329002, 9493503, 18987006]

約数ペア:

[(1, 18987006), (2, 9493503), (3, 6329002), (6, 3164501), (23, 825522), (46, 412761), (69, 275174), (138, 137587)]