18942968

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{215261}}^1$

素因数の和:215278

約数の個数: 16

約数和(自身を含む): 38747160

約数和(自身を除く): 19804192

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 215261, 430522, 861044, 1722088, 2367871, 4735742, 9471484, 18942968]

約数ペア:

[(1, 18942968), (2, 9471484), (4, 4735742), (8, 2367871), (11, 1722088), (22, 861044), (44, 430522), (88, 215261)]