18328816

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{467}}^1$

素因数の和:709

約数の個数: 40

約数和(自身を含む): 38997504

約数和(自身を除く): 20668688

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 223, 446, 467, 892, 934, 1784, 1868, 2453, 3568, 3736, 4906, 5137, 7472, 9812, 10274, 19624, 20548, 39248, 41096, 82192, 104141, 208282, 416564, 833128, 1145551, 1666256, 2291102, 4582204, 9164408, 18328816]

約数ペア:

[(1, 18328816), (2, 9164408), (4, 4582204), (8, 2291102), (11, 1666256), (16, 1145551), (22, 833128), (44, 416564), (88, 208282), (176, 104141), (223, 82192), (446, 41096), (467, 39248), (892, 20548), (934, 19624), (1784, 10274), (1868, 9812), (2453, 7472), (3568, 5137), (3736, 4906)]