19956645

素因数分解:

$3^3\times 5^1\times {\mathrm{147827}}^1$

素因数の和:147841

約数の個数: 16

約数和(自身を含む): 35478720

約数和(自身を除く): 15522075

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 147827, 443481, 739135, 1330443, 2217405, 3991329, 6652215, 19956645]

約数ペア:

[(1, 19956645), (3, 6652215), (5, 3991329), (9, 2217405), (15, 1330443), (27, 739135), (45, 443481), (135, 147827)]