18901365

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{10589}}^1$

素因数の和:10621

約数の個数: 32

約数和(自身を含む): 36599040

約数和(自身を除く): 17697675

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 10589, 31767, 52945, 74123, 158835, 180013, 222369, 370615, 540039, 900065, 1111845, 1260091, 2700195, 3780273, 6300455, 18901365]

約数ペア:

[(1, 18901365), (3, 6300455), (5, 3780273), (7, 2700195), (15, 1260091), (17, 1111845), (21, 900065), (35, 540039), (51, 370615), (85, 222369), (105, 180013), (119, 158835), (255, 74123), (357, 52945), (595, 31767), (1785, 10589)]