18040923

素因数分解:

$3^2\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{223}}^1$

素因数の和:419

約数の個数: 24

約数和(自身を含む): 26732160

約数和(自身を除く): 8691237

約数列:

[1, 3, 9, 89, 101, 223, 267, 303, 669, 801, 909, 2007, 8989, 19847, 22523, 26967, 59541, 67569, 80901, 178623, 202707, 2004547, 6013641, 18040923]

約数ペア:

[(1, 18040923), (3, 6013641), (9, 2004547), (89, 202707), (101, 178623), (223, 80901), (267, 67569), (303, 59541), (669, 26967), (801, 22523), (909, 19847), (2007, 8989)]