19483280

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1019}}^1$

素因数の和:1271

約数の個数: 40

約数和(自身を含む): 45532800

約数和(自身を除く): 26049520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 478, 956, 1019, 1195, 1912, 2038, 2390, 3824, 4076, 4780, 5095, 8152, 9560, 10190, 16304, 19120, 20380, 40760, 81520, 243541, 487082, 974164, 1217705, 1948328, 2435410, 3896656, 4870820, 9741640, 19483280]

約数ペア:

[(1, 19483280), (2, 9741640), (4, 4870820), (5, 3896656), (8, 2435410), (10, 1948328), (16, 1217705), (20, 974164), (40, 487082), (80, 243541), (239, 81520), (478, 40760), (956, 20380), (1019, 19120), (1195, 16304), (1912, 10190), (2038, 9560), (2390, 8152), (3824, 5095), (4076, 4780)]