19143784

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{2621}}^1$

素因数の和:2721

約数の個数: 32

約数和(自身を含む): 39644640

約数和(自身を除く): 20500856

約数列:

[1, 2, 4, 8, 11, 22, 44, 83, 88, 166, 332, 664, 913, 1826, 2621, 3652, 5242, 7304, 10484, 20968, 28831, 57662, 115324, 217543, 230648, 435086, 870172, 1740344, 2392973, 4785946, 9571892, 19143784]

約数ペア:

[(1, 19143784), (2, 9571892), (4, 4785946), (8, 2392973), (11, 1740344), (22, 870172), (44, 435086), (83, 230648), (88, 217543), (166, 115324), (332, 57662), (664, 28831), (913, 20968), (1826, 10484), (2621, 7304), (3652, 5242)]