18878829

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{1453}}^1$

素因数の和:1588

約数の個数: 16

約数和(自身を含む): 25962624

約数和(自身を除く): 7083795

約数列:

[1, 3, 61, 71, 183, 213, 1453, 4331, 4359, 12993, 88633, 103163, 265899, 309489, 6292943, 18878829]

約数ペア:

[(1, 18878829), (3, 6292943), (61, 309489), (71, 265899), (183, 103163), (213, 88633), (1453, 12993), (4331, 4359)]