19127440

素因数分解:

$2^4\times 5^1\times {\mathrm{373}}^1\times {\mathrm{641}}^1$

素因数の和:1027

約数の個数: 40

約数和(自身を含む): 44660088

約数和(自身を除く): 25532648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 373, 641, 746, 1282, 1492, 1865, 2564, 2984, 3205, 3730, 5128, 5968, 6410, 7460, 10256, 12820, 14920, 25640, 29840, 51280, 239093, 478186, 956372, 1195465, 1912744, 2390930, 3825488, 4781860, 9563720, 19127440]

約数ペア:

[(1, 19127440), (2, 9563720), (4, 4781860), (5, 3825488), (8, 2390930), (10, 1912744), (16, 1195465), (20, 956372), (40, 478186), (80, 239093), (373, 51280), (641, 29840), (746, 25640), (1282, 14920), (1492, 12820), (1865, 10256), (2564, 7460), (2984, 6410), (3205, 5968), (3730, 5128)]