18828201

素因数分解:

$3^1\times 7^2\times {\mathrm{349}}^1\times {\mathrm{367}}^1$

素因数の和:733

約数の個数: 24

約数和(自身を含む): 29366400

約数和(自身を除く): 10538199

約数列:

[1, 3, 7, 21, 49, 147, 349, 367, 1047, 1101, 2443, 2569, 7329, 7707, 17101, 17983, 51303, 53949, 128083, 384249, 896581, 2689743, 6276067, 18828201]

約数ペア:

[(1, 18828201), (3, 6276067), (7, 2689743), (21, 896581), (49, 384249), (147, 128083), (349, 53949), (367, 51303), (1047, 17983), (1101, 17101), (2443, 7707), (2569, 7329)]