19739420912

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{23277619}}^1$

素因数の和:23277680

約数の個数: 20

約数和(自身を含む): 38966735880

約数和(自身を除く): 19227314968

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 23277619, 46555238, 93110476, 186220952, 372441904, 1233713807, 2467427614, 4934855228, 9869710456, 19739420912]

約数ペア:

[(1, 19739420912), (2, 9869710456), (4, 4934855228), (8, 2467427614), (16, 1233713807), (53, 372441904), (106, 186220952), (212, 93110476), (424, 46555238), (848, 23277619)]