19980930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{666031}}^1$

素因数の和:666041

約数の個数: 16

約数和(自身を含む): 47954304

約数和(自身を除く): 27973374

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 666031, 1332062, 1998093, 3330155, 3996186, 6660310, 9990465, 19980930]

約数ペア:

[(1, 19980930), (2, 9990465), (3, 6660310), (5, 3996186), (6, 3330155), (10, 1998093), (15, 1332062), (30, 666031)]