27931178

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{66821}}^1$

素因数の和:66853

約数の個数: 16

約数和(自身を含む): 48111840

約数和(自身を除く): 20180662

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 66821, 133642, 735031, 1269599, 1470062, 2539198, 13965589, 27931178]

約数ペア:

[(1, 27931178), (2, 13965589), (11, 2539198), (19, 1470062), (22, 1269599), (38, 735031), (209, 133642), (418, 66821)]