18681267

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{163}}^1$

素因数の和:351

約数の個数: 32

約数和(自身を含む): 28717056

約数和(自身を除く): 10035789

約数列:

[1, 3, 11, 23, 33, 69, 151, 163, 253, 453, 489, 759, 1661, 1793, 3473, 3749, 4983, 5379, 10419, 11247, 24613, 38203, 41239, 73839, 114609, 123717, 270743, 566099, 812229, 1698297, 6227089, 18681267]

約数ペア:

[(1, 18681267), (3, 6227089), (11, 1698297), (23, 812229), (33, 566099), (69, 270743), (151, 123717), (163, 114609), (253, 73839), (453, 41239), (489, 38203), (759, 24613), (1661, 11247), (1793, 10419), (3473, 5379), (3749, 4983)]