18866398

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{1277}}^1$

素因数の和:1451

約数の個数: 16

約数和(自身を含む): 28985040

約数和(自身を除く): 10118642

約数列:

[1, 2, 83, 89, 166, 178, 1277, 2554, 7387, 14774, 105991, 113653, 211982, 227306, 9433199, 18866398]

約数ペア:

[(1, 18866398), (2, 9433199), (83, 227306), (89, 211982), (166, 113653), (178, 105991), (1277, 14774), (2554, 7387)]