19863398

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{22727}}^1$

素因数の和:22771

約数の個数: 16

約数和(自身を含む): 32728320

約数和(自身を除く): 12864922

約数列:

[1, 2, 19, 23, 38, 46, 437, 874, 22727, 45454, 431813, 522721, 863626, 1045442, 9931699, 19863398]

約数ペア:

[(1, 19863398), (2, 9931699), (19, 1045442), (23, 863626), (38, 522721), (46, 431813), (437, 45454), (874, 22727)]