19862954

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1\times {\mathrm{653}}^1$

素因数の和:949

約数の個数: 16

約数和(自身を含む): 30418848

約数和(自身を除く): 10555894

約数列:

[1, 2, 67, 134, 227, 454, 653, 1306, 15209, 30418, 43751, 87502, 148231, 296462, 9931477, 19862954]

約数ペア:

[(1, 19862954), (2, 9931477), (67, 296462), (134, 148231), (227, 87502), (454, 43751), (653, 30418), (1306, 15209)]