19595960

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{11393}}^1$

素因数の和:11447

約数の個数: 32

約数和(自身を含む): 45120240

約数和(自身を除く): 25524280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 11393, 22786, 45572, 56965, 91144, 113930, 227860, 455720, 489899, 979798, 1959596, 2449495, 3919192, 4898990, 9797980, 19595960]

約数ペア:

[(1, 19595960), (2, 9797980), (4, 4898990), (5, 3919192), (8, 2449495), (10, 1959596), (20, 979798), (40, 489899), (43, 455720), (86, 227860), (172, 113930), (215, 91144), (344, 56965), (430, 45572), (860, 22786), (1720, 11393)]