19688648

素因数分解:

$2^3\times 7^1\times {\mathrm{269}}^1\times {\mathrm{1307}}^1$

素因数の和:1589

約数の個数: 32

約数和(自身を含む): 42379200

約数和(自身を除く): 22690552

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 269, 538, 1076, 1307, 1883, 2152, 2614, 3766, 5228, 7532, 9149, 10456, 15064, 18298, 36596, 73192, 351583, 703166, 1406332, 2461081, 2812664, 4922162, 9844324, 19688648]

約数ペア:

[(1, 19688648), (2, 9844324), (4, 4922162), (7, 2812664), (8, 2461081), (14, 1406332), (28, 703166), (56, 351583), (269, 73192), (538, 36596), (1076, 18298), (1307, 15064), (1883, 10456), (2152, 9149), (2614, 7532), (3766, 5228)]