19903426

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{3607}}^1$

素因数の和:3729

約数の個数: 16

約数和(自身を含む): 31173120

約数和(自身を除く): 11269694

約数列:

[1, 2, 31, 62, 89, 178, 2759, 3607, 5518, 7214, 111817, 223634, 321023, 642046, 9951713, 19903426]

約数ペア:

[(1, 19903426), (2, 9951713), (31, 642046), (62, 321023), (89, 223634), (178, 111817), (2759, 7214), (3607, 5518)]