1939777660

素因数分解:

$2^2\times 5^1\times {\mathrm{4513}}^1\times {\mathrm{21491}}^1$

素因数の和:26013

約数の個数: 24

約数和(自身を含む): 4074625296

約数和(自身を除く): 2134847636

約数列:

[1, 2, 4, 5, 10, 20, 4513, 9026, 18052, 21491, 22565, 42982, 45130, 85964, 90260, 107455, 214910, 429820, 96988883, 193977766, 387955532, 484944415, 969888830, 1939777660]

約数ペア:

[(1, 1939777660), (2, 969888830), (4, 484944415), (5, 387955532), (10, 193977766), (20, 96988883), (4513, 429820), (9026, 214910), (18052, 107455), (21491, 90260), (22565, 85964), (42982, 45130)]