18169040

素因数分解:

$2^4\times 5^1\times {\mathrm{227113}}^1$

素因数の和:227126

約数の個数: 20

約数和(自身を含む): 42243204

約数和(自身を除く): 24074164

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 227113, 454226, 908452, 1135565, 1816904, 2271130, 3633808, 4542260, 9084520, 18169040]

約数ペア:

[(1, 18169040), (2, 9084520), (4, 4542260), (5, 3633808), (8, 2271130), (10, 1816904), (16, 1135565), (20, 908452), (40, 454226), (80, 227113)]