19483640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{44281}}^1$

素因数の和:44303

約数の個数: 32

約数和(自身を含む): 47824560

約数和(自身を除く): 28340920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 44281, 88562, 177124, 221405, 354248, 442810, 487091, 885620, 974182, 1771240, 1948364, 2435455, 3896728, 4870910, 9741820, 19483640]

約数ペア:

[(1, 19483640), (2, 9741820), (4, 4870910), (5, 3896728), (8, 2435455), (10, 1948364), (11, 1771240), (20, 974182), (22, 885620), (40, 487091), (44, 442810), (55, 354248), (88, 221405), (110, 177124), (220, 88562), (440, 44281)]