19802902

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{683}}^1$

素因数の和:820

約数の個数: 32

約数和(自身を含む): 36115200

約数和(自身を除く): 16312298

約数列:

[1, 2, 7, 14, 19, 38, 109, 133, 218, 266, 683, 763, 1366, 1526, 2071, 4142, 4781, 9562, 12977, 14497, 25954, 28994, 74447, 90839, 148894, 181678, 521129, 1042258, 1414493, 2828986, 9901451, 19802902]

約数ペア:

[(1, 19802902), (2, 9901451), (7, 2828986), (14, 1414493), (19, 1042258), (38, 521129), (109, 181678), (133, 148894), (218, 90839), (266, 74447), (683, 28994), (763, 25954), (1366, 14497), (1526, 12977), (2071, 9562), (4142, 4781)]