1989666

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{15791}}^1$

素因数の和:15806

約数の個数: 24

約数和(自身を含む): 4927104

約数和(自身を除く): 2937438

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 15791, 31582, 47373, 94746, 110537, 142119, 221074, 284238, 331611, 663222, 994833, 1989666]

約数ペア:

[(1, 1989666), (2, 994833), (3, 663222), (6, 331611), (7, 284238), (9, 221074), (14, 142119), (18, 110537), (21, 94746), (42, 47373), (63, 31582), (126, 15791)]