19908571356

素因数分解:

$2^2\times 3^2\times {\mathrm{553015871}}^1$

素因数の和:553015881

約数の個数: 18

約数和(自身を含む): 50324444352

約数和(自身を除く): 30415872996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 553015871, 1106031742, 1659047613, 2212063484, 3318095226, 4977142839, 6636190452, 9954285678, 19908571356]

約数ペア:

[(1, 19908571356), (2, 9954285678), (3, 6636190452), (4, 4977142839), (6, 3318095226), (9, 2212063484), (12, 1659047613), (18, 1106031742), (36, 553015871)]