19481936

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{19961}}^1$

素因数の和:20030

約数の個数: 20

約数和(自身を含む): 38366964

約数和(自身を除く): 18885028

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 19961, 39922, 79844, 159688, 319376, 1217621, 2435242, 4870484, 9740968, 19481936]

約数ペア:

[(1, 19481936), (2, 9740968), (4, 4870484), (8, 2435242), (16, 1217621), (61, 319376), (122, 159688), (244, 79844), (488, 39922), (976, 19961)]