18182955

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1103}}^1$

素因数の和:1275

約数の個数: 32

約数和(自身を含む): 33490944

約数和(自身を除く): 15307989

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 157, 471, 785, 1099, 1103, 2355, 3297, 3309, 5495, 5515, 7721, 16485, 16545, 23163, 38605, 115815, 173171, 519513, 865855, 1212197, 2597565, 3636591, 6060985, 18182955]

約数ペア:

[(1, 18182955), (3, 6060985), (5, 3636591), (7, 2597565), (15, 1212197), (21, 865855), (35, 519513), (105, 173171), (157, 115815), (471, 38605), (785, 23163), (1099, 16545), (1103, 16485), (2355, 7721), (3297, 5515), (3309, 5495)]