18717423

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{4447}}^1$

素因数の和:4534

約数の個数: 16

約数和(自身を含む): 26474496

約数和(自身を除く): 7757073

約数列:

[1, 3, 23, 61, 69, 183, 1403, 4209, 4447, 13341, 102281, 271267, 306843, 813801, 6239141, 18717423]

約数ペア:

[(1, 18717423), (3, 6239141), (23, 813801), (61, 306843), (69, 271267), (183, 102281), (1403, 13341), (4209, 4447)]