2019689987

素因数分解:

$7^4\times {\mathrm{19}}^1\times {\mathrm{44273}}^1$

素因数の和:44320

約数の個数: 20

約数和(自身を含む): 2480229480

約数和(自身を除く): 460539493

約数列:

[1, 7, 19, 49, 133, 343, 931, 2401, 6517, 44273, 45619, 309911, 841187, 2169377, 5888309, 15185639, 41218163, 106299473, 288527141, 2019689987]

約数ペア:

[(1, 2019689987), (7, 288527141), (19, 106299473), (49, 41218163), (133, 15185639), (343, 5888309), (931, 2169377), (2401, 841187), (6517, 309911), (44273, 45619)]