19457269

素因数分解:

${\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:420

約数の個数: 16

約数和(自身を含む): 21591360

約数和(自身を除く): 2134091

約数列:

[1, 13, 67, 89, 251, 871, 1157, 3263, 5963, 16817, 22339, 77519, 218621, 290407, 1496713, 19457269]

約数ペア:

[(1, 19457269), (13, 1496713), (67, 290407), (89, 218621), (251, 77519), (871, 22339), (1157, 16817), (3263, 5963)]