19493720

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{10369}}^1$

素因数の和:10427

約数の個数: 32

約数和(自身を含む): 44798400

約数和(自身を除く): 25304680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 10369, 20738, 41476, 51845, 82952, 103690, 207380, 414760, 487343, 974686, 1949372, 2436715, 3898744, 4873430, 9746860, 19493720]

約数ペア:

[(1, 19493720), (2, 9746860), (4, 4873430), (5, 3898744), (8, 2436715), (10, 1949372), (20, 974686), (40, 487343), (47, 414760), (94, 207380), (188, 103690), (235, 82952), (376, 51845), (470, 41476), (940, 20738), (1880, 10369)]