19992904305

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3274841}}^1$

素因数の和:3274897

約数の個数: 32

約数和(自身を含む): 35839870848

約数和(自身を除く): 15846966543

約数列:

[1, 3, 5, 11, 15, 33, 37, 55, 111, 165, 185, 407, 555, 1221, 2035, 6105, 3274841, 9824523, 16374205, 36023251, 49122615, 108069753, 121169117, 180116255, 363507351, 540348765, 605845585, 1332860287, 1817536755, 3998580861, 6664301435, 19992904305]

約数ペア:

[(1, 19992904305), (3, 6664301435), (5, 3998580861), (11, 1817536755), (15, 1332860287), (33, 605845585), (37, 540348765), (55, 363507351), (111, 180116255), (165, 121169117), (185, 108069753), (407, 49122615), (555, 36023251), (1221, 16374205), (2035, 9824523), (6105, 3274841)]