18864262

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{809}}^1$

素因数の和:1031

約数の個数: 16

約数和(自身を含む): 28868400

約数和(自身を除く): 10004138

約数列:

[1, 2, 89, 131, 178, 262, 809, 1618, 11659, 23318, 72001, 105979, 144002, 211958, 9432131, 18864262]

約数ペア:

[(1, 18864262), (2, 9432131), (89, 211958), (131, 144002), (178, 105979), (262, 72001), (809, 23318), (1618, 11659)]