19774313

素因数分解:

${\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{311}}^1$

素因数の和:464

約数の個数: 16

約数和(自身を含む): 21979776

約数和(自身を除く): 2205463

約数列:

[1, 13, 67, 73, 311, 871, 949, 4043, 4891, 20837, 22703, 63583, 270881, 295139, 1521101, 19774313]

約数ペア:

[(1, 19774313), (13, 1521101), (67, 295139), (73, 270881), (311, 63583), (871, 22703), (949, 20837), (4043, 4891)]