18623969

素因数分解:

$7^2\times {\mathrm{13}}^3\times {\mathrm{173}}^1$

素因数の和:226

約数の個数: 24

約数和(自身を含む): 23604840

約数和(自身を除く): 4980871

約数列:

[1, 7, 13, 49, 91, 169, 173, 637, 1183, 1211, 2197, 2249, 8281, 8477, 15379, 15743, 29237, 107653, 110201, 204659, 380081, 1432613, 2660567, 18623969]

約数ペア:

[(1, 18623969), (7, 2660567), (13, 1432613), (49, 380081), (91, 204659), (169, 110201), (173, 107653), (637, 29237), (1183, 15743), (1211, 15379), (2197, 8477), (2249, 8281)]