19489867376

素因数分解:

$2^4\times 7^1\times {\mathrm{174016673}}^1$

素因数の和:174016688

約数の個数: 20

約数和(自身を含む): 43156135152

約数和(自身を除く): 23666267776

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 174016673, 348033346, 696066692, 1218116711, 1392133384, 2436233422, 2784266768, 4872466844, 9744933688, 19489867376]

約数ペア:

[(1, 19489867376), (2, 9744933688), (4, 4872466844), (7, 2784266768), (8, 2436233422), (14, 1392133384), (16, 1218116711), (28, 696066692), (56, 348033346), (112, 174016673)]