18891376

素因数分解:

$2^4\times 7^1\times {\mathrm{168673}}^1$

素因数の和:168688

約数の個数: 20

約数和(自身を含む): 41831152

約数和(自身を除く): 22939776

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 168673, 337346, 674692, 1180711, 1349384, 2361422, 2698768, 4722844, 9445688, 18891376]

約数ペア:

[(1, 18891376), (2, 9445688), (4, 4722844), (7, 2698768), (8, 2361422), (14, 1349384), (16, 1180711), (28, 674692), (56, 337346), (112, 168673)]