19572355

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{17}}^1\times {\mathrm{173}}^1$

素因数の和:228

約数の個数: 32

約数和(自身を含む): 27511488

約数和(自身を除く): 7939133

約数列:

[1, 5, 11, 17, 55, 85, 121, 173, 187, 605, 865, 935, 1331, 1903, 2057, 2941, 6655, 9515, 10285, 14705, 20933, 22627, 32351, 104665, 113135, 161755, 230263, 355861, 1151315, 1779305, 3914471, 19572355]

約数ペア:

[(1, 19572355), (5, 3914471), (11, 1779305), (17, 1151315), (55, 355861), (85, 230263), (121, 161755), (173, 113135), (187, 104665), (605, 32351), (865, 22627), (935, 20933), (1331, 14705), (1903, 10285), (2057, 9515), (2941, 6655)]