19690460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{51817}}^1$

素因数の和:51845

約数の個数: 24

約数和(自身を含む): 43527120

約数和(自身を除く): 23836660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 51817, 103634, 207268, 259085, 518170, 984523, 1036340, 1969046, 3938092, 4922615, 9845230, 19690460]

約数ペア:

[(1, 19690460), (2, 9845230), (4, 4922615), (5, 3938092), (10, 1969046), (19, 1036340), (20, 984523), (38, 518170), (76, 259085), (95, 207268), (190, 103634), (380, 51817)]