19128291

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{70067}}^1$

素因数の和:70090

約数の個数: 16

約数和(自身を含む): 31390464

約数和(自身を除く): 12262173

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 70067, 210201, 490469, 910871, 1471407, 2732613, 6376097, 19128291]

約数ペア:

[(1, 19128291), (3, 6376097), (7, 2732613), (13, 1471407), (21, 910871), (39, 490469), (91, 210201), (273, 70067)]