18806893

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{587}}^1$

素因数の和:816

約数の個数: 16

約数和(自身を含む): 22579200

約数和(自身を除く): 3772307

約数列:

[1, 7, 23, 161, 199, 587, 1393, 4109, 4577, 13501, 32039, 94507, 116813, 817691, 2686699, 18806893]

約数ペア:

[(1, 18806893), (7, 2686699), (23, 817691), (161, 116813), (199, 94507), (587, 32039), (1393, 13501), (4109, 4577)]