18762986

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{3371}}^1$

素因数の和:3418

約数の個数: 24

約数和(自身を含む): 32290272

約数和(自身を除く): 13527286

約数列:

[1, 2, 11, 22, 23, 46, 121, 242, 253, 506, 2783, 3371, 5566, 6742, 37081, 74162, 77533, 155066, 407891, 815782, 852863, 1705726, 9381493, 18762986]

約数ペア:

[(1, 18762986), (2, 9381493), (11, 1705726), (22, 852863), (23, 815782), (46, 407891), (121, 155066), (242, 77533), (253, 74162), (506, 37081), (2783, 6742), (3371, 5566)]