19742254

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{74219}}^1$

素因数の和:74247

約数の個数: 16

約数和(自身を含む): 35625600

約数和(自身を除く): 15883346

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 74219, 148438, 519533, 1039066, 1410161, 2820322, 9871127, 19742254]

約数ペア:

[(1, 19742254), (2, 9871127), (7, 2820322), (14, 1410161), (19, 1039066), (38, 519533), (133, 148438), (266, 74219)]