18969786

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{643}}^1$

素因数の和:811

約数の個数: 48

約数和(自身を含む): 45208800

約数和(自身を除く): 26239014

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 149, 198, 298, 447, 643, 894, 1286, 1341, 1639, 1929, 2682, 3278, 3858, 4917, 5787, 7073, 9834, 11574, 14146, 14751, 21219, 29502, 42438, 63657, 95807, 127314, 191614, 287421, 574842, 862263, 1053877, 1724526, 2107754, 3161631, 6323262, 9484893, 18969786]

約数ペア:

[(1, 18969786), (2, 9484893), (3, 6323262), (6, 3161631), (9, 2107754), (11, 1724526), (18, 1053877), (22, 862263), (33, 574842), (66, 287421), (99, 191614), (149, 127314), (198, 95807), (298, 63657), (447, 42438), (643, 29502), (894, 21219), (1286, 14751), (1341, 14146), (1639, 11574), (1929, 9834), (2682, 7073), (3278, 5787), (3858, 4917)]