18965928

素因数分解:

$2^3\times 3^1\times {\mathrm{643}}^1\times {\mathrm{1229}}^1$

素因数の和:1881

約数の個数: 32

約数和(自身を含む): 47527200

約数和(自身を除く): 28561272

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 643, 1229, 1286, 1929, 2458, 2572, 3687, 3858, 4916, 5144, 7374, 7716, 9832, 14748, 15432, 29496, 790247, 1580494, 2370741, 3160988, 4741482, 6321976, 9482964, 18965928]

約数ペア:

[(1, 18965928), (2, 9482964), (3, 6321976), (4, 4741482), (6, 3160988), (8, 2370741), (12, 1580494), (24, 790247), (643, 29496), (1229, 15432), (1286, 14748), (1929, 9832), (2458, 7716), (2572, 7374), (3687, 5144), (3858, 4916)]