20181238021

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{6661}}^1\times {\mathrm{9209}}^1$

素因数の和:15924

約数の個数: 16

約数和(自身を含む): 23561095680

約数和(自身を除く): 3379857659

約数列:

[1, 7, 47, 329, 6661, 9209, 46627, 64463, 313067, 432823, 2191469, 3029761, 61341149, 429388043, 2883034003, 20181238021]

約数ペア:

[(1, 20181238021), (7, 2883034003), (47, 429388043), (329, 61341149), (6661, 3029761), (9209, 2191469), (46627, 432823), (64463, 313067)]