19996588

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{2459}}^1$

素因数の和:2589

約数の個数: 24

約数和(自身を含む): 37195200

約数和(自身を除く): 17198612

約数列:

[1, 2, 4, 19, 38, 76, 107, 214, 428, 2033, 2459, 4066, 4918, 8132, 9836, 46721, 93442, 186884, 263113, 526226, 1052452, 4999147, 9998294, 19996588]

約数ペア:

[(1, 19996588), (2, 9998294), (4, 4999147), (19, 1052452), (38, 526226), (76, 263113), (107, 186884), (214, 93442), (428, 46721), (2033, 9836), (2459, 8132), (4066, 4918)]