19401381328

素因数分解:

$2^4\times 7^1\times {\mathrm{173226619}}^1$

素因数の和:173226634

約数の個数: 20

約数和(自身を含む): 42960201760

約数和(自身を除く): 23558820432

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 173226619, 346453238, 692906476, 1212586333, 1385812952, 2425172666, 2771625904, 4850345332, 9700690664, 19401381328]

約数ペア:

[(1, 19401381328), (2, 9700690664), (4, 4850345332), (7, 2771625904), (8, 2425172666), (14, 1385812952), (16, 1212586333), (28, 692906476), (56, 346453238), (112, 173226619)]