18636644

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{1451}}^1$

素因数の和:1500

約数の個数: 36

約数和(自身を含む): 37200240

約数和(自身を除く): 18563596

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 169, 247, 338, 494, 676, 988, 1451, 2902, 3211, 5804, 6422, 12844, 18863, 27569, 37726, 55138, 75452, 110276, 245219, 358397, 490438, 716794, 980876, 1433588, 4659161, 9318322, 18636644]

約数ペア:

[(1, 18636644), (2, 9318322), (4, 4659161), (13, 1433588), (19, 980876), (26, 716794), (38, 490438), (52, 358397), (76, 245219), (169, 110276), (247, 75452), (338, 55138), (494, 37726), (676, 27569), (988, 18863), (1451, 12844), (2902, 6422), (3211, 5804)]