2019780176

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{2935727}}^1$

素因数の和:2935778

約数の個数: 20

約数和(自身を含む): 4004332992

約数和(自身を除く): 1984552816

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 2935727, 5871454, 11742908, 23485816, 46971632, 126236261, 252472522, 504945044, 1009890088, 2019780176]

約数ペア:

[(1, 2019780176), (2, 1009890088), (4, 504945044), (8, 252472522), (16, 126236261), (43, 46971632), (86, 23485816), (172, 11742908), (344, 5871454), (688, 2935727)]