19424517

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{547}}^1$

素因数の和:665

約数の個数: 32

約数和(自身を含む): 31564800

約数和(自身を除く): 12140283

約数列:

[1, 3, 7, 19, 21, 57, 89, 133, 267, 399, 547, 623, 1641, 1691, 1869, 3829, 5073, 10393, 11487, 11837, 31179, 35511, 48683, 72751, 146049, 218253, 340781, 924977, 1022343, 2774931, 6474839, 19424517]

約数ペア:

[(1, 19424517), (3, 6474839), (7, 2774931), (19, 1022343), (21, 924977), (57, 340781), (89, 218253), (133, 146049), (267, 72751), (399, 48683), (547, 35511), (623, 31179), (1641, 11837), (1691, 11487), (1869, 10393), (3829, 5073)]