19744565

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{3467}}^1$

素因数の和:3556

約数の個数: 16

約数和(自身を含む): 25468992

約数和(自身を除く): 5724427

約数列:

[1, 5, 17, 67, 85, 335, 1139, 3467, 5695, 17335, 58939, 232289, 294695, 1161445, 3948913, 19744565]

約数ペア:

[(1, 19744565), (5, 3948913), (17, 1161445), (67, 294695), (85, 232289), (335, 58939), (1139, 17335), (3467, 5695)]