18942915

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{54907}}^1$

素因数の和:54938

約数の個数: 16

約数和(自身を含む): 31627008

約数和(自身を除く): 12684093

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 54907, 164721, 274535, 823605, 1262861, 3788583, 6314305, 18942915]

約数ペア:

[(1, 18942915), (3, 6314305), (5, 3788583), (15, 1262861), (23, 823605), (69, 274535), (115, 164721), (345, 54907)]