18478965

素因数分解:

$3^1\times 5^1\times {\mathrm{1097}}^1\times {\mathrm{1123}}^1$

素因数の和:2228

約数の個数: 16

約数和(自身を含む): 29619648

約数和(自身を除く): 11140683

約数列:

[1, 3, 5, 15, 1097, 1123, 3291, 3369, 5485, 5615, 16455, 16845, 1231931, 3695793, 6159655, 18478965]

約数ペア:

[(1, 18478965), (3, 6159655), (5, 3695793), (15, 1231931), (1097, 16845), (1123, 16455), (3291, 5615), (3369, 5485)]