18340301

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1889}}^1$

素因数の和:1988

約数の個数: 16

約数和(自身を含む): 22377600

約数和(自身を除く): 4037299

約数列:

[1, 7, 19, 73, 133, 511, 1387, 1889, 9709, 13223, 35891, 137897, 251237, 965279, 2620043, 18340301]

約数ペア:

[(1, 18340301), (7, 2620043), (19, 965279), (73, 251237), (133, 137897), (511, 35891), (1387, 13223), (1889, 9709)]