18564938

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{983}}^1$

素因数の和:1082

約数の個数: 32

約数和(自身を含む): 34007040

約数和(自身を除く): 15442102

約数列:

[1, 2, 7, 14, 19, 38, 71, 133, 142, 266, 497, 983, 994, 1349, 1966, 2698, 6881, 9443, 13762, 18677, 18886, 37354, 69793, 130739, 139586, 261478, 488551, 977102, 1326067, 2652134, 9282469, 18564938]

約数ペア:

[(1, 18564938), (2, 9282469), (7, 2652134), (14, 1326067), (19, 977102), (38, 488551), (71, 261478), (133, 139586), (142, 130739), (266, 69793), (497, 37354), (983, 18886), (994, 18677), (1349, 13762), (1966, 9443), (2698, 6881)]