18739119

素因数分解:

$3^1\times 7^3\times {\mathrm{18211}}^1$

素因数の和:18235

約数の個数: 16

約数和(自身を含む): 29139200

約数和(自身を除く): 10400081

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 18211, 54633, 127477, 382431, 892339, 2677017, 6246373, 18739119]

約数ペア:

[(1, 18739119), (3, 6246373), (7, 2677017), (21, 892339), (49, 382431), (147, 127477), (343, 54633), (1029, 18211)]