19017645

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 33421248

約数和(自身を除く): 14403603

約数列:

[1, 3, 5, 15, 17, 41, 51, 85, 107, 123, 205, 255, 289, 321, 535, 615, 697, 867, 1445, 1605, 1819, 2091, 3485, 4335, 4387, 5457, 9095, 10455, 11849, 13161, 21935, 27285, 30923, 35547, 59245, 65805, 74579, 92769, 154615, 177735, 223737, 372895, 463845, 1118685, 1267843, 3803529, 6339215, 19017645]

約数ペア:

[(1, 19017645), (3, 6339215), (5, 3803529), (15, 1267843), (17, 1118685), (41, 463845), (51, 372895), (85, 223737), (107, 177735), (123, 154615), (205, 92769), (255, 74579), (289, 65805), (321, 59245), (535, 35547), (615, 30923), (697, 27285), (867, 21935), (1445, 13161), (1605, 11849), (1819, 10455), (2091, 9095), (3485, 5457), (4335, 4387)]