19982956

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41981}}^1$

素因数の和:42009

約数の個数: 24

約数和(自身を含む): 42317856

約数和(自身を除く): 22334900

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 41981, 83962, 167924, 293867, 587734, 713677, 1175468, 1427354, 2854708, 4995739, 9991478, 19982956]

約数ペア:

[(1, 19982956), (2, 9991478), (4, 4995739), (7, 2854708), (14, 1427354), (17, 1175468), (28, 713677), (34, 587734), (68, 293867), (119, 167924), (238, 83962), (476, 41981)]