18309445

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2503}}^1$

素因数の和:2545

約数の個数: 32

約数和(自身を含む): 28846080

約数和(自身を除く): 10536635

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 133, 209, 385, 665, 1045, 1463, 2503, 7315, 12515, 17521, 27533, 47557, 87605, 137665, 192731, 237785, 332899, 523127, 963655, 1664495, 2615635, 3661889, 18309445]

約数ペア:

[(1, 18309445), (5, 3661889), (7, 2615635), (11, 1664495), (19, 963655), (35, 523127), (55, 332899), (77, 237785), (95, 192731), (133, 137665), (209, 87605), (385, 47557), (665, 27533), (1045, 17521), (1463, 12515), (2503, 7315)]