19901792

素因数分解:

$2^5\times {\mathrm{313}}^1\times {\mathrm{1987}}^1$

素因数の和:2310

約数の個数: 24

約数和(自身を含む): 39326616

約数和(自身を除く): 19424824

約数列:

[1, 2, 4, 8, 16, 32, 313, 626, 1252, 1987, 2504, 3974, 5008, 7948, 10016, 15896, 31792, 63584, 621931, 1243862, 2487724, 4975448, 9950896, 19901792]

約数ペア:

[(1, 19901792), (2, 9950896), (4, 4975448), (8, 2487724), (16, 1243862), (32, 621931), (313, 63584), (626, 31792), (1252, 15896), (1987, 10016), (2504, 7948), (3974, 5008)]