19999966

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{49261}}^1$

素因数の和:49299

約数の個数: 16

約数和(自身を含む): 35468640

約数和(自身を除く): 15468674

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 49261, 98522, 344827, 689654, 1428569, 2857138, 9999983, 19999966]

約数ペア:

[(1, 19999966), (2, 9999983), (7, 2857138), (14, 1428569), (29, 689654), (58, 344827), (203, 98522), (406, 49261)]