19110640

素因数分解:

$2^4\times 5^1\times {\mathrm{238883}}^1$

素因数の和:238896

約数の個数: 20

約数和(自身を含む): 44432424

約数和(自身を除く): 25321784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 238883, 477766, 955532, 1194415, 1911064, 2388830, 3822128, 4777660, 9555320, 19110640]

約数ペア:

[(1, 19110640), (2, 9555320), (4, 4777660), (5, 3822128), (8, 2388830), (10, 1911064), (16, 1194415), (20, 955532), (40, 477766), (80, 238883)]