18623601

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{5347}}^1$

素因数の和:5402

約数の個数: 20

約数和(自身を含む): 28472752

約数和(自身を除く): 9849151

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 5347, 16041, 48123, 144369, 229921, 433107, 689763, 2069289, 6207867, 18623601]

約数ペア:

[(1, 18623601), (3, 6207867), (9, 2069289), (27, 689763), (43, 433107), (81, 229921), (129, 144369), (387, 48123), (1161, 16041), (3483, 5347)]