18400151

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12577}}^1$

素因数の和:12614

約数の個数: 16

約数和(自身を含む): 24149760

約数和(自身を除く): 5749609

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 12577, 88039, 138347, 238963, 968429, 1672741, 2628593, 18400151]

約数ペア:

[(1, 18400151), (7, 2628593), (11, 1672741), (19, 968429), (77, 238963), (133, 138347), (209, 88039), (1463, 12577)]