18212285

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{3079}}^1$

素因数の和:3117

約数の個数: 24

約数和(自身を含む): 27054720

約数和(自身を除く): 8842435

約数列:

[1, 5, 7, 13, 35, 65, 91, 169, 455, 845, 1183, 3079, 5915, 15395, 21553, 40027, 107765, 200135, 280189, 520351, 1400945, 2601755, 3642457, 18212285]

約数ペア:

[(1, 18212285), (5, 3642457), (7, 2601755), (13, 1400945), (35, 520351), (65, 280189), (91, 200135), (169, 107765), (455, 40027), (845, 21553), (1183, 15395), (3079, 5915)]