19301409

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:267

約数の個数: 40

約数和(自身を含む): 31049568

約数和(自身を除く): 11748159

約数列:

[1, 3, 9, 17, 27, 51, 81, 107, 131, 153, 321, 393, 459, 963, 1179, 1377, 1819, 2227, 2889, 3537, 5457, 6681, 8667, 10611, 14017, 16371, 20043, 42051, 49113, 60129, 126153, 147339, 180387, 238289, 378459, 714867, 1135377, 2144601, 6433803, 19301409]

約数ペア:

[(1, 19301409), (3, 6433803), (9, 2144601), (17, 1135377), (27, 714867), (51, 378459), (81, 238289), (107, 180387), (131, 147339), (153, 126153), (321, 60129), (393, 49113), (459, 42051), (963, 20043), (1179, 16371), (1377, 14017), (1819, 10611), (2227, 8667), (2889, 6681), (3537, 5457)]