18810418

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{4091}}^1$

素因数の和:4134

約数の個数: 24

約数和(自身を含む): 32654160

約数和(自身を除く): 13843742

約数列:

[1, 2, 11, 19, 22, 38, 121, 209, 242, 418, 2299, 4091, 4598, 8182, 45001, 77729, 90002, 155458, 495011, 855019, 990022, 1710038, 9405209, 18810418]

約数ペア:

[(1, 18810418), (2, 9405209), (11, 1710038), (19, 990022), (22, 855019), (38, 495011), (121, 155458), (209, 90002), (242, 77729), (418, 45001), (2299, 8182), (4091, 4598)]