19941570

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20143}}^1$

素因数の和:20167

約数の個数: 48

約数和(自身を含む): 56564352

約数和(自身を除く): 36622782

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 20143, 40286, 60429, 100715, 120858, 181287, 201430, 221573, 302145, 362574, 443146, 604290, 664719, 906435, 1107865, 1329438, 1812870, 1994157, 2215730, 3323595, 3988314, 6647190, 9970785, 19941570]

約数ペア:

[(1, 19941570), (2, 9970785), (3, 6647190), (5, 3988314), (6, 3323595), (9, 2215730), (10, 1994157), (11, 1812870), (15, 1329438), (18, 1107865), (22, 906435), (30, 664719), (33, 604290), (45, 443146), (55, 362574), (66, 302145), (90, 221573), (99, 201430), (110, 181287), (165, 120858), (198, 100715), (330, 60429), (495, 40286), (990, 20143)]