18974704

素因数分解:

$2^4\times 7^1\times {\mathrm{191}}^1\times {\mathrm{887}}^1$

素因数の和:1093

約数の個数: 40

約数和(自身を含む): 42283008

約数和(自身を除く): 23308304

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 191, 382, 764, 887, 1337, 1528, 1774, 2674, 3056, 3548, 5348, 6209, 7096, 10696, 12418, 14192, 21392, 24836, 49672, 99344, 169417, 338834, 677668, 1185919, 1355336, 2371838, 2710672, 4743676, 9487352, 18974704]

約数ペア:

[(1, 18974704), (2, 9487352), (4, 4743676), (7, 2710672), (8, 2371838), (14, 1355336), (16, 1185919), (28, 677668), (56, 338834), (112, 169417), (191, 99344), (382, 49672), (764, 24836), (887, 21392), (1337, 14192), (1528, 12418), (1774, 10696), (2674, 7096), (3056, 6209), (3548, 5348)]