19876899

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{5879}}^1$

素因数の和:5919

約数の個数: 24

約数和(自身を含む): 32175360

約数和(自身を除く): 12298461

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 483, 1127, 3381, 5879, 17637, 41153, 123459, 135217, 288071, 405651, 864213, 946519, 2839557, 6625633, 19876899]

約数ペア:

[(1, 19876899), (3, 6625633), (7, 2839557), (21, 946519), (23, 864213), (49, 405651), (69, 288071), (147, 135217), (161, 123459), (483, 41153), (1127, 17637), (3381, 5879)]