18892191

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1\times {\mathrm{487}}^1$

素因数の和:750

約数の個数: 16

約数和(自身を含む): 25750784

約数和(自身を除く): 6858593

約数列:

[1, 3, 67, 193, 201, 487, 579, 1461, 12931, 32629, 38793, 93991, 97887, 281973, 6297397, 18892191]

約数ペア:

[(1, 18892191), (3, 6297397), (67, 281973), (193, 97887), (201, 93991), (487, 38793), (579, 32629), (1461, 12931)]