18811178

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{3037}}^1$

素因数の和:3221

約数の個数: 16

約数和(自身を含む): 29893920

約数和(自身を除く): 11082742

約数列:

[1, 2, 19, 38, 163, 326, 3037, 3097, 6074, 6194, 57703, 115406, 495031, 990062, 9405589, 18811178]

約数ペア:

[(1, 18811178), (2, 9405589), (19, 990062), (38, 495031), (163, 115406), (326, 57703), (3037, 6194), (3097, 6074)]