19428909

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{12289}}^1$

素因数の和:12340

約数の個数: 16

約数和(自身を含む): 28316160

約数和(自身を除く): 8887251

約数列:

[1, 3, 17, 31, 51, 93, 527, 1581, 12289, 36867, 208913, 380959, 626739, 1142877, 6476303, 19428909]

約数ペア:

[(1, 19428909), (3, 6476303), (17, 1142877), (31, 626739), (51, 380959), (93, 208913), (527, 36867), (1581, 12289)]