18907730

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{439}}^1$

素因数の和:578

約数の個数: 32

約数和(自身を含む): 35164800

約数和(自身を除く): 16257070

約数列:

[1, 2, 5, 10, 59, 73, 118, 146, 295, 365, 439, 590, 730, 878, 2195, 4307, 4390, 8614, 21535, 25901, 32047, 43070, 51802, 64094, 129505, 160235, 259010, 320470, 1890773, 3781546, 9453865, 18907730]

約数ペア:

[(1, 18907730), (2, 9453865), (5, 3781546), (10, 1890773), (59, 320470), (73, 259010), (118, 160235), (146, 129505), (295, 64094), (365, 51802), (439, 43070), (590, 32047), (730, 25901), (878, 21535), (2195, 8614), (4307, 4390)]