18268540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53731}}^1$

素因数の和:53757

約数の個数: 24

約数和(自身を含む): 40621392

約数和(自身を除く): 22352852

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 53731, 107462, 214924, 268655, 537310, 913427, 1074620, 1826854, 3653708, 4567135, 9134270, 18268540]

約数ペア:

[(1, 18268540), (2, 9134270), (4, 4567135), (5, 3653708), (10, 1826854), (17, 1074620), (20, 913427), (34, 537310), (68, 268655), (85, 214924), (170, 107462), (340, 53731)]