19172008

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{439}}^1$

素因数の和:601

約数の個数: 32

約数和(自身を含む): 37065600

約数和(自身を除く): 17893592

約数列:

[1, 2, 4, 8, 53, 103, 106, 206, 212, 412, 424, 439, 824, 878, 1756, 3512, 5459, 10918, 21836, 23267, 43672, 45217, 46534, 90434, 93068, 180868, 186136, 361736, 2396501, 4793002, 9586004, 19172008]

約数ペア:

[(1, 19172008), (2, 9586004), (4, 4793002), (8, 2396501), (53, 361736), (103, 186136), (106, 180868), (206, 93068), (212, 90434), (412, 46534), (424, 45217), (439, 43672), (824, 23267), (878, 21836), (1756, 10918), (3512, 5459)]