19874686

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{613}}^1$

素因数の和:700

約数の個数: 32

約数和(自身を含む): 34040160

約数和(自身を除く): 14165474

約数列:

[1, 2, 13, 26, 29, 43, 58, 86, 377, 559, 613, 754, 1118, 1226, 1247, 2494, 7969, 15938, 16211, 17777, 26359, 32422, 35554, 52718, 231101, 342667, 462202, 685334, 764411, 1528822, 9937343, 19874686]

約数ペア:

[(1, 19874686), (2, 9937343), (13, 1528822), (26, 764411), (29, 685334), (43, 462202), (58, 342667), (86, 231101), (377, 52718), (559, 35554), (613, 32422), (754, 26359), (1118, 17777), (1226, 16211), (1247, 15938), (2494, 7969)]