19472728

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{221281}}^1$

素因数の和:221298

約数の個数: 16

約数和(自身を含む): 39830760

約数和(自身を除く): 20358032

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 221281, 442562, 885124, 1770248, 2434091, 4868182, 9736364, 19472728]

約数ペア:

[(1, 19472728), (2, 9736364), (4, 4868182), (8, 2434091), (11, 1770248), (22, 885124), (44, 442562), (88, 221281)]