17981821

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3067}}^1$

素因数の和:3132

約数の個数: 16

約数和(自身を含む): 21647808

約数和(自身を除く): 3665987

約数列:

[1, 11, 13, 41, 143, 451, 533, 3067, 5863, 33737, 39871, 125747, 438581, 1383217, 1634711, 17981821]

約数ペア:

[(1, 17981821), (11, 1634711), (13, 1383217), (41, 438581), (143, 125747), (451, 39871), (533, 33737), (3067, 5863)]