19980486

素因数分解:

$2^1\times 3^3\times {\mathrm{370009}}^1$

素因数の和:370020

約数の個数: 16

約数和(自身を含む): 44401200

約数和(自身を除く): 24420714

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 370009, 740018, 1110027, 2220054, 3330081, 6660162, 9990243, 19980486]

約数ペア:

[(1, 19980486), (2, 9990243), (3, 6660162), (6, 3330081), (9, 2220054), (18, 1110027), (27, 740018), (54, 370009)]