19491945

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{6949}}^1$

素因数の和:6985

約数の個数: 32

約数和(自身を含む): 36028800

約数和(自身を除く): 16536855

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 561, 935, 2805, 6949, 20847, 34745, 76439, 104235, 118133, 229317, 354399, 382195, 590665, 1146585, 1299463, 1771995, 3898389, 6497315, 19491945]

約数ペア:

[(1, 19491945), (3, 6497315), (5, 3898389), (11, 1771995), (15, 1299463), (17, 1146585), (33, 590665), (51, 382195), (55, 354399), (85, 229317), (165, 118133), (187, 104235), (255, 76439), (561, 34745), (935, 20847), (2805, 6949)]