18261738

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{619}}^1$

素因数の和:787

約数の個数: 48

約数和(自身を含む): 43524000

約数和(自身を除く): 25262262

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 149, 198, 298, 447, 619, 894, 1238, 1341, 1639, 1857, 2682, 3278, 3714, 4917, 5571, 6809, 9834, 11142, 13618, 14751, 20427, 29502, 40854, 61281, 92231, 122562, 184462, 276693, 553386, 830079, 1014541, 1660158, 2029082, 3043623, 6087246, 9130869, 18261738]

約数ペア:

[(1, 18261738), (2, 9130869), (3, 6087246), (6, 3043623), (9, 2029082), (11, 1660158), (18, 1014541), (22, 830079), (33, 553386), (66, 276693), (99, 184462), (149, 122562), (198, 92231), (298, 61281), (447, 40854), (619, 29502), (894, 20427), (1238, 14751), (1341, 13618), (1639, 11142), (1857, 9834), (2682, 6809), (3278, 5571), (3714, 4917)]