19901084

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41809}}^1$

素因数の和:41837

約数の個数: 24

約数和(自身を含む): 42144480

約数和(自身を除く): 22243396

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 41809, 83618, 167236, 292663, 585326, 710753, 1170652, 1421506, 2843012, 4975271, 9950542, 19901084]

約数ペア:

[(1, 19901084), (2, 9950542), (4, 4975271), (7, 2843012), (14, 1421506), (17, 1170652), (28, 710753), (34, 585326), (68, 292663), (119, 167236), (238, 83618), (476, 41809)]