18505455

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53639}}^1$

素因数の和:53670

約数の個数: 16

約数和(自身を含む): 30896640

約数和(自身を除く): 12391185

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 53639, 160917, 268195, 804585, 1233697, 3701091, 6168485, 18505455]

約数ペア:

[(1, 18505455), (3, 6168485), (5, 3701091), (15, 1233697), (23, 804585), (69, 268195), (115, 160917), (345, 53639)]