19384336

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{19861}}^1$

素因数の和:19930

約数の個数: 20

約数和(自身を含む): 38174764

約数和(自身を除く): 18790428

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 19861, 39722, 79444, 158888, 317776, 1211521, 2423042, 4846084, 9692168, 19384336]

約数ペア:

[(1, 19384336), (2, 9692168), (4, 4846084), (8, 2423042), (16, 1211521), (61, 317776), (122, 158888), (244, 79444), (488, 39722), (976, 19861)]