19885660319

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31873}}^1\times {\mathrm{4691}}^1$

素因数の和:36590

約数の個数: 16

約数和(自身を含む): 23928449280

約数和(自身を除く): 4042788961

約数列:

[1, 7, 19, 133, 4691, 31873, 32837, 89129, 223111, 605587, 623903, 4239109, 149516243, 1046613701, 2840808617, 19885660319]

約数ペア:

[(1, 19885660319), (7, 2840808617), (19, 1046613701), (133, 149516243), (4691, 4239109), (31873, 623903), (32837, 605587), (89129, 223111)]