19574840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21277}}^1$

素因数の和:21311

約数の個数: 32

約数和(自身を含む): 45960480

約数和(自身を除く): 26385640

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 21277, 42554, 85108, 106385, 170216, 212770, 425540, 489371, 851080, 978742, 1957484, 2446855, 3914968, 4893710, 9787420, 19574840]

約数ペア:

[(1, 19574840), (2, 9787420), (4, 4893710), (5, 3914968), (8, 2446855), (10, 1957484), (20, 978742), (23, 851080), (40, 489371), (46, 425540), (92, 212770), (115, 170216), (184, 106385), (230, 85108), (460, 42554), (920, 21277)]