19941448

素因数分解:

$2^3\times {\mathrm{251}}^1\times {\mathrm{9931}}^1$

素因数の和:10188

約数の個数: 16

約数和(自身を含む): 37542960

約数和(自身を除く): 17601512

約数列:

[1, 2, 4, 8, 251, 502, 1004, 2008, 9931, 19862, 39724, 79448, 2492681, 4985362, 9970724, 19941448]

約数ペア:

[(1, 19941448), (2, 9970724), (4, 4985362), (8, 2492681), (251, 79448), (502, 39724), (1004, 19862), (2008, 9931)]