19782364

素因数分解:

$2^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{3947}}^1$

素因数の和:4137

約数の個数: 24

約数和(自身を含む): 39795840

約数和(自身を除く): 20013476

約数列:

[1, 2, 4, 7, 14, 28, 179, 358, 716, 1253, 2506, 3947, 5012, 7894, 15788, 27629, 55258, 110516, 706513, 1413026, 2826052, 4945591, 9891182, 19782364]

約数ペア:

[(1, 19782364), (2, 9891182), (4, 4945591), (7, 2826052), (14, 1413026), (28, 706513), (179, 110516), (358, 55258), (716, 27629), (1253, 15788), (2506, 7894), (3947, 5012)]