19878617

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{419}}^1$

素因数の和:676

約数の個数: 16

約数和(自身を含む): 22982400

約数和(自身を除く): 3103783

約数列:

[1, 11, 19, 209, 227, 419, 2497, 4313, 4609, 7961, 47443, 87571, 95113, 1046243, 1807147, 19878617]

約数ペア:

[(1, 19878617), (11, 1807147), (19, 1046243), (209, 95113), (227, 87571), (419, 47443), (2497, 7961), (4313, 4609)]