18921063

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{6047}}^1$

素因数の和:6206

約数の個数: 16

約数和(自身を含む): 29030400

約数和(自身を除く): 10109337

約数列:

[1, 3, 7, 21, 149, 447, 1043, 3129, 6047, 18141, 42329, 126987, 901003, 2703009, 6307021, 18921063]

約数ペア:

[(1, 18921063), (3, 6307021), (7, 2703009), (21, 901003), (149, 126987), (447, 42329), (1043, 18141), (3129, 6047)]