18019942

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{6679}}^1$

素因数の和:6771

約数の個数: 16

約数和(自身を含む): 28857600

約数和(自身を除く): 10837658

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 6679, 13358, 126901, 253802, 474209, 948418, 9009971, 18019942]

約数ペア:

[(1, 18019942), (2, 9009971), (19, 948418), (38, 474209), (71, 253802), (142, 126901), (1349, 13358), (2698, 6679)]