198172869

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{19423}}^1$

素因数の和:19624

約数の個数: 16

約数和(自身を含む): 279705600

約数和(自身を除く): 81532731

約数列:

[1, 3, 19, 57, 179, 537, 3401, 10203, 19423, 58269, 369037, 1107111, 3476717, 10430151, 66057623, 198172869]

約数ペア:

[(1, 198172869), (3, 66057623), (19, 10430151), (57, 3476717), (179, 1107111), (537, 369037), (3401, 58269), (10203, 19423)]