19234520

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{7883}}^1$

素因数の和:7955

約数の個数: 32

約数和(自身を含む): 43992720

約数和(自身を除く): 24758200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 7883, 15766, 31532, 39415, 63064, 78830, 157660, 315320, 480863, 961726, 1923452, 2404315, 3846904, 4808630, 9617260, 19234520]

約数ペア:

[(1, 19234520), (2, 9617260), (4, 4808630), (5, 3846904), (8, 2404315), (10, 1923452), (20, 961726), (40, 480863), (61, 315320), (122, 157660), (244, 78830), (305, 63064), (488, 39415), (610, 31532), (1220, 15766), (2440, 7883)]