18278973

素因数分解:

$3^3\times {\mathrm{109}}^1\times {\mathrm{6211}}^1$

素因数の和:6329

約数の個数: 16

約数和(自身を含む): 27332800

約数和(自身を除く): 9053827

約数列:

[1, 3, 9, 27, 109, 327, 981, 2943, 6211, 18633, 55899, 167697, 676999, 2030997, 6092991, 18278973]

約数ペア:

[(1, 18278973), (3, 6092991), (9, 2030997), (27, 676999), (109, 167697), (327, 55899), (981, 18633), (2943, 6211)]