19970354

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1\times {\mathrm{743}}^1$

素因数の和:985

約数の個数: 16

約数和(自身を含む): 30533760

約数和(自身を除く): 10563406

約数列:

[1, 2, 89, 151, 178, 302, 743, 1486, 13439, 26878, 66127, 112193, 132254, 224386, 9985177, 19970354]

約数ペア:

[(1, 19970354), (2, 9985177), (89, 224386), (151, 132254), (178, 112193), (302, 66127), (743, 26878), (1486, 13439)]