1899687970

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{40531}}^1$

素因数の和:40690

約数の個数: 32

約数和(自身を含む): 3531147840

約数和(自身を除く): 1631459870

約数列:

[1, 2, 5, 10, 43, 86, 109, 215, 218, 430, 545, 1090, 4687, 9374, 23435, 40531, 46870, 81062, 202655, 405310, 1742833, 3485666, 4417879, 8714165, 8835758, 17428330, 22089395, 44178790, 189968797, 379937594, 949843985, 1899687970]

約数ペア:

[(1, 1899687970), (2, 949843985), (5, 379937594), (10, 189968797), (43, 44178790), (86, 22089395), (109, 17428330), (215, 8835758), (218, 8714165), (430, 4417879), (545, 3485666), (1090, 1742833), (4687, 405310), (9374, 202655), (23435, 81062), (40531, 46870)]