19961136

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{10663}}^1$

素因数の和:10690

約数の個数: 60

約数和(自身を含む): 60166288

約数和(自身を除く): 40205152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 10663, 21326, 31989, 42652, 63978, 85304, 95967, 127956, 138619, 170608, 191934, 255912, 277238, 383868, 415857, 511824, 554476, 767736, 831714, 1108952, 1247571, 1535472, 1663428, 2217904, 2495142, 3326856, 4990284, 6653712, 9980568, 19961136]

約数ペア:

[(1, 19961136), (2, 9980568), (3, 6653712), (4, 4990284), (6, 3326856), (8, 2495142), (9, 2217904), (12, 1663428), (13, 1535472), (16, 1247571), (18, 1108952), (24, 831714), (26, 767736), (36, 554476), (39, 511824), (48, 415857), (52, 383868), (72, 277238), (78, 255912), (104, 191934), (117, 170608), (144, 138619), (156, 127956), (208, 95967), (234, 85304), (312, 63978), (468, 42652), (624, 31989), (936, 21326), (1872, 10663)]