19556838

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{269}}^1\times {\mathrm{577}}^1$

素因数の和:861

約数の個数: 48

約数和(自身を含む): 48690720

約数和(自身を除く): 29133882

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 269, 538, 577, 807, 1154, 1614, 1731, 1883, 2421, 3462, 3766, 4039, 4842, 5193, 5649, 8078, 10386, 11298, 12117, 16947, 24234, 33894, 36351, 72702, 155213, 310426, 465639, 931278, 1086491, 1396917, 2172982, 2793834, 3259473, 6518946, 9778419, 19556838]

約数ペア:

[(1, 19556838), (2, 9778419), (3, 6518946), (6, 3259473), (7, 2793834), (9, 2172982), (14, 1396917), (18, 1086491), (21, 931278), (42, 465639), (63, 310426), (126, 155213), (269, 72702), (538, 36351), (577, 33894), (807, 24234), (1154, 16947), (1614, 12117), (1731, 11298), (1883, 10386), (2421, 8078), (3462, 5649), (3766, 5193), (4039, 4842)]