19385776

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1483}}^1$

素因数の和:1553

約数の個数: 40

約数和(自身を含む): 40483520

約数和(自身を除く): 21097744

約数列:

[1, 2, 4, 8, 16, 19, 38, 43, 76, 86, 152, 172, 304, 344, 688, 817, 1483, 1634, 2966, 3268, 5932, 6536, 11864, 13072, 23728, 28177, 56354, 63769, 112708, 127538, 225416, 255076, 450832, 510152, 1020304, 1211611, 2423222, 4846444, 9692888, 19385776]

約数ペア:

[(1, 19385776), (2, 9692888), (4, 4846444), (8, 2423222), (16, 1211611), (19, 1020304), (38, 510152), (43, 450832), (76, 255076), (86, 225416), (152, 127538), (172, 112708), (304, 63769), (344, 56354), (688, 28177), (817, 23728), (1483, 13072), (1634, 11864), (2966, 6536), (3268, 5932)]