19976044

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{4243}}^1$

素因数の和:4365

約数の個数: 24

約数和(自身を含む): 38501568

約数和(自身を除く): 18525524

約数列:

[1, 2, 4, 11, 22, 44, 107, 214, 428, 1177, 2354, 4243, 4708, 8486, 16972, 46673, 93346, 186692, 454001, 908002, 1816004, 4994011, 9988022, 19976044]

約数ペア:

[(1, 19976044), (2, 9988022), (4, 4994011), (11, 1816004), (22, 908002), (44, 454001), (107, 186692), (214, 93346), (428, 46673), (1177, 16972), (2354, 8486), (4243, 4708)]